Develop Bugs

fastboot flash error!

Hi guys,
there is a problem for fastboot flash, who can help?!
os: oreo 3.16.401.2
error: when i was flashing my phone in download mode(for exmple fastboot flash twrp/recovery) "flash images success" stopped at 1/2 !
target reported max download size of 1578400000 bytes
sending 'recovery' (50453 KB)...
OKAY [ 2.709s]
writing 'recovery'...
(bootloader) HOSD CL#1012001
(bootloader) [email protected]
>>Stopped Here!

Can you please keep your issues now only in THIS thread, it's getting so freaking hard to follow you !!! It's getting ridiculous because you are reposting the same thing over and over in threads where it doesn't belong.
Re-download the latest TWRP, boot to download mode, erase cache
Fastboot erase cache
Then flash TWRP
Fastboot flash recovery TWRP.img --- name the file
Fastboot erase cache
Then boot to the recovery via the bootloader.

Mr Hofs said:
Can you please keep your issues now only in THIS thread, it's getting so freaking hard to follow you !!! It's getting ridiculous because you are reposting the same thing over and over in threads where it doesn't belong.
Re-download the latest TWRP, boot to download mode, erase cache
Fastboot erase cache
Then flash TWRP
Fastboot flash recovery TWRP.img --- name the file
Fastboot erase cache
Then boot to the recovery via the bootloader.
Click to expand...
Click to collapse
ok, sorry; pls help me...
in line 4 "Fastboot flash recovery TWRP.img" stopped at 1/2 & recovery 0% !
why?!

mxciii said:
ok, sorry; pls help me...
in line 4 "Fastboot flash recovery TWRP.img" stopped at 1/2 & recovery 0% !
why?!
Click to expand...
Click to collapse
You seem to be having strange issues.
Is your bootloader even unlocked?
If so:
How about pasting the actual terminal command you entered and the terminal output here, rather than your odd description of what is happening.
As it doesn't give much to work with...
Sent from my HTC6545LVW using Tapatalk

santod040 said:
You seem to be having strange issues.
Is your bootloader even unlocked?
If so:
How about pasting the actual terminal command you entered and the terminal output here, rather than your odd description of what is happening.
As it doesn't give much to work with...
Sent from my HTC6545LVW using Tapatalk
Click to expand...
Click to collapse
yes s-on & bootloader unlocked + os: 3.16.401.2 j__15
to install LeeDroid 10 "A quick whistle stop tour of flashing a custom build" bootloader unlocked via htcdev...
for install twrp phone was on download mode and then with pc attached cable + cmd >> Fastboot erase cache
>>Fastboot flash recovery TWRP.img , then os stopped at 1/2!
& got stuck in this mode now

mxciii said:
yes s-on & bootloader unlocked + os: 3.16.401.2 j__15
to install LeeDroid 10 "A quick whistle stop tour of flashing a custom build" bootloader unlocked via htcdev...
for install twrp phone was on download mode and then with pc attached cable + cmd >> Fastboot erase cache
>>Fastboot flash recovery TWRP.img , then os stopped at 1/2!
& got stuck in this mode now
Click to expand...
Click to collapse
Your OS can't stop at 1/2 because you are in download mode. As been asked, deliver some screens of your command window with the executed commands.

Mr Hofs said:
Your OS can't stop at 1/2 because you are in download mode. As been asked, deliver some screens of your command window with the executed commands.
Click to expand...
Click to collapse
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Just start from scratch, flash the Oreo firmware and the RUU. Then we can take it from there.

Mr Hofs said:
Just start from scratch, flash the Oreo firmware and the RUU. Then we can take it from there.
Click to expand...
Click to collapse
i cant find oreo 3.16.401.2 ruu,
i,m noob and dont know what should i do, can u help me step by step pls...

mxciii said:
i cant find oreo 3.16.401.2 ruu,
i,m noob and dont know what should i do, can u help me step by step pls...
Click to expand...
Click to collapse
I think you're just making folks chase their tail trying to help you.
I linked you to the RUU yesterday.
Trolling....?
Sent from my HTC6545LVW using Tapatalk

santod040 said:
I think you're just making folks chase their tail trying to help you.
I linked you to the RUU yesterday.
Trolling....?
Sent from my HTC6545LVW using Tapatalk
Click to expand...
Click to collapse
no, i cant flash oreo; bcuz it stopped when was finished! + and why its 2 part!! i cant flash them, If you do not believe i can take a picture...

mxciii said:
no, i cant flash oreo; bcuz it stopped when was finished!
Click to expand...
Click to collapse
Then why do you say you can't find it?
I think you should just stay stock anyways or maybe get a shiny new iPhone.
Sent from my HTC6545LVW using Tapatalk

santod040 said:
Then why do you say you can't find it?
I think you should just stay stock anyways or maybe get a shiny new iPhone.
Click to expand...
Click to collapse
You flashed it from OTG. Flash it from the SDCARD ONLY. Do it again and do as we say NOT what you think. Re-download the RUU also. Do NOT put the RUU AND the FIRMWARE on the SDCARD at the same time with the same kind of name. ONLY THE FULL RUU. the 1.9 gig file!

santod040 said:
Then why do you say you can't find it?
I think you should just stay stock anyways or maybe get a shiny new iPhone.
Sent from my HTC6545LVW using Tapatalk
Click to expand...
Click to collapse
sorry for my bad english, i cant find oreo 3.16.401.2 ruu .exe
Do you accept my word means? why os stopped at installing twrp/recovery/stock rom ?!

Mr Hofs said:
You flashed it from OTG. Flash it from the SDCARD ONLY.
Click to expand...
Click to collapse
I told him that already as well...
Not sure if language barrier or mental block.
But there definitely seems to be a communication problem.
Sent from my HTC6545LVW using Tapatalk

santod040 said:
I told him that already as well...
Not sure if language barrier or mental block.
But there definitely seems to be a communication problem.
Click to expand...
Click to collapse
For sure. He must take his time and stop panicking......
To the OP
Als also, disconnect the USB cable to the PC when you are flashing the RUU. Rules out errors too. Let the device do it's work.

Mr Hofs said:
You flashed it from OTG. Flash it from the SDCARD ONLY. Do it again and do as we say NOT what you think. Re-download the RUU also. Do NOT put the RUU AND the FIRMWARE on the SDCARD at the same time with the same kind of name. ONLY THE FULL RUU. the 1.9 gig file!
Click to expand...
Click to collapse
for oreo 3.16.401.2 in this site, This file consists of two parts: 1st>>PMEUHL_3.16.401.2_FullStock + 2st>>2PS6IMG_PERFUME... .zip
first i should flash the part1 with cmd and next part2 with sdcard, its true???

mxciii said:
for oreo 3.16.401.2 in this site, This file consists of two parts: 1st>>PMEUHL_3.16.401.2_FullStock + 2st>>2PS6IMG_PERFUME... .zip
first i should flash the part1 with cmd and next part2 with sdcard, its true???
Click to expand...
Click to collapse
As I said....ONLY FLASH THE BIG FILE. THE 1.9 GIG FILE
As 2PS6IMG.zip from SDcard and via bootloader. NOT via commands

santod040 said:
I told him that already as well...
Not sure if language barrier or mental block.
But there definitely seems to be a communication problem.
Sent from my HTC6545LVW using Tapatalk
Click to expand...
Click to collapse
You are a professional android developer but i dont know what u say! bcuz the operation default with educational video...

mxciii said:
You are a professional android developer but i dont know what u say! bcuz the operation default with educational video...
Click to expand...
Click to collapse
Do not follow videos. Only read carefully here.
Take the full ruu 1.9 gig, put it on the SDCARD and flash in download mode. That's all. Dont make it more difficult.

adb/twrp issues....

Firstly, when plugging my 7t in to my windows 10 PC, I am asked to choose which mode to go in within usb preferences, as I did previously in order to achieve and ADB driver connection I chose file transfer.......
this didn't work for some reason, only when in MIDI did I get a confirmation with adb devices.....even though there is still no sign of adb interface in device manager.....
any ideas? I can get adb connection with MIDI but is this good enough to flash recoveries/boot images etc....?
I tried to flash twrp and I could successfully boot into twrp directly via fastboot but twrp couldn't seen any of my storage, despite having all security methods turned off...
all i want to do is gain root access but I am having no joy....
ever since android 10 rooting anything for me has been a pain in the ass......truly fed up....it shouldn't be this hard......
I also flashed a patched boot image in an attempt to gain root access but it all did was break my wifi........which i fixed by copying over the latest image and installing locally......
please HELP....

Everything about this issues is already said in this forum.

Try looking at this topic here:
https://forum.xda-developers.com/oneplus-7t/development/recovery-unofficial-twrp-recovery-t3976961

ontwykende said:
Try looking at this topic here:
https://forum.xda-developers.com/oneplus-7t/development/recovery-unofficial-twrp-recovery-t3976961
Click to expand...
Click to collapse
sweet, ill check it out.....

ontwykende said:
Try looking at this topic here:
https://forum.xda-developers.com/oneplus-7t/development/recovery-unofficial-twrp-recovery-t3976961
Click to expand...
Click to collapse
It would seem that TWRP is a no go, for awhile at least.....
anyone managed to gain root access by flashing a patched boot.img?

mediaman123 said:
It would seem that TWRP is a no go, for awhile at least.....
anyone managed to gain root access by flashing a patched boot.img?
Click to expand...
Click to collapse
Lots of people have. Just boot your version and use magisk to direct install and reboot then you have root

Josh McGrath said:
Lots of people have. Just boot your version and use magisk to direct install and reboot then you have root
Click to expand...
Click to collapse
Normally I would be able to carry out such tasks but because I now feel so fed up with it all could I trouble you to tell my step by step how that is done.....?
many thanks..

mediaman123 said:
Normally I would be able to carry out such tasks but because I now feel so fed up with it all could I trouble you to tell my step by step how that is done.....?
many thanks..
Click to expand...
Click to collapse
I made a tool to install the latest ADB, Fastboot and USB drivers for windows, its very easy to use, just double click the file to start the installation process
you can see it here:
https://forum.xda-developers.com/android/general/tool-adb-fastboot-installer-tool-windows-t3999445
Screenshot:
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fawazahmed0 said:
I made a tool to install the latest ADB, Fastboot and USB drivers for windows, its very easy to use, just double click the file to start the installation process
you can see it here:
https://forum.xda-developers.com/android/general/tool-adb-fastboot-installer-tool-windows-t3999445
Screenshot:
Click to expand...
Click to collapse
I can operate that fine, its just how to obtain boot.img files etc, patch them and so on..

mediaman123 said:
I can operate that fine, its just how to obtain boot.img files etc, patch them and so on..
Click to expand...
Click to collapse
Oh, I thought, you are have issues with adb, and for root, you just have to flash magisk using twrp

fawazahmed0 said:
Oh, I thought, you are have issues with adb, and for root, you just have to flash magisk using twrp
Click to expand...
Click to collapse
This isn't functional at the minute as TWRP, whether its flashed or booted from, cant get past the encryption.......it cant see/mount the internal storage....

mediaman123 said:
This isn't functional at the minute as TWRP, whether its flashed or booted from, cant get past the encryption.......it cant see/mount the internal storage....
Click to expand...
Click to collapse
You will have to wipe the data and then twrp can access internal storage.
This is how I did (in my phone, which is not Oneplus, but the process remain same for all phones), boot to fastboot mode and type this:
fastboot -w
Now, boot your phone to recovery mode:
(Now take complete twrp backup of your phone, and save it in your pc, before proceeding futher)
flash DM verity disabler: https://forum.xda-developers.com/android/software/universal-dm-verity-forceencrypt-t3817389
flash magisk: https://github.com/topjohnwu/magisk_files/raw/canary/magisk-release.zip
Now boot the phone back to OS and you will have root access

fawazahmed0 said:
You will have to wipe the data and then twrp can access internal storage.
This is how I did (in my phone, which is not Oneplus, but the process remain same for all phones), boot to fastboot mode and type this:
fastboot -w
Now, boot your phone to recovery mode:
(Now take complete twrp backup of your phone, and save it in your pc, before proceeding futher)
flash DM verity disabler: https://forum.xda-developers.com/android/software/universal-dm-verity-forceencrypt-t3817389
flash magisk: https://github.com/topjohnwu/magisk_files/raw/canary/magisk-release.zip
Now boot the phone back to OS and you will have root access
Click to expand...
Click to collapse
thanks for this......want to try and avoid wiping if possible but if I really want root I will do it.....
what does the command fastboot -w do?

mediaman123 said:
thanks for this......want to try and avoid wiping if possible but if I really want root I will do it.....
what does the command fastboot -w do?
Click to expand...
Click to collapse
it wipe's the data

mediaman123 said:
This isn't functional at the minute as TWRP, whether its flashed or booted from, cant get past the encryption.......it cant see/mount the internal storage....
Click to expand...
Click to collapse
fawazahmed0 said:
You will have to wipe the data and then twrp can access internal storage.
This is how I did (in my phone, which is not Oneplus, but the process remain same for all phones), boot to fastboot mode and type this:
fastboot -w
Now, boot your phone to recovery mode:
(Now take complete twrp backup of your phone, and save it in your pc, before proceeding futher)
flash DM verity disabler: https://forum.xda-developers.com/android/software/universal-dm-verity-forceencrypt-t3817389
flash magisk: https://github.com/topjohnwu/magisk_files/raw/canary/magisk-release.zip
Now boot the phone back to OS and you will have root access
Click to expand...
Click to collapse
TWRP is not functional at the moment, so stay away from it.
The only way to root right now is to use the patch boot image method.

Lossyx said:
No don't do this.... This is not about encryption at all. It's about the major partitioning changes that has happened in Android 10. Wiping the system will just make everything worse.
Avoid using TWRP at all.
Sent from my OnePlus7TPro using XDA Labs
Click to expand...
Click to collapse
Oh, I didn't know this phone was on Android 10, Thanks for letting me know.
TWRP doesn't support Android 10 yet.
You can see it here
https://twrp.me/site/update/2019/10/23/twrp-and-android-10.html
Actually there is a twrp compiled for this phone, but that doesn't work , you can see the messages in thread:
https://forum.xda-developers.com/oneplus-7t/development/recovery-unofficial-twrp-recovery-t3976961
The steps I told, was for Android 9 and earlier devices, I assumed, this is an old device.
@mediaman123, So please wait, until twrp starts supporting the Android 10.
And for rooting, I am not sure, whether magisk supports this new phone or not.
Maybe @Lossyx can help you on that.

https://forum.xda-developers.com/oneplus-7t/how-to/guide-how-to-root-oneplus-7t-twrp-t3979307
Sent from my OnePlus7TPro using XDA Labs

Lossyx said:
https://forum.xda-developers.com/oneplus-7t/how-to/guide-how-to-root-oneplus-7t-twrp-t3979307
Sent from my OnePlus7TPro using XDA Labs
Click to expand...
Click to collapse
Seen this, however my device, the European version, is running on 10.0.6.....
The only boot images available with that post is the 10.0.3...
wouldn't feel comfortable using them.....
I would like to know how to extract the stock boot image from either the firmware file or the phone itself...

mediaman123 said:
Seen this, however my device, the European version, is running on 10.0.6.....
The only boot images available with that post is the 10.0.3...
wouldn't feel comfortable using them.....
I would like to know how to extract the stock boot image from either the firmware file or the phone itself...
Click to expand...
Click to collapse
You can go ahead and just fastboot boot them. If it works then just proceed, if it doesn't, just hold volume up+down and power button. (To boot into fastboot or restart phone)
Nothing will change in the system because it only boots a temporary image.
If your want to extract your own boot image you can use this tool.
https://github.com/cyxx/extract_android_ota_payload
Sent from my OnePlus7TPro using XDA Labs

Lossyx said:
You can go ahead and just fastboot boot them. If it works then just proceed, if it doesn't, just hold volume up+down and power button. (To boot into fastboot or restart phone)
Nothing will change in the system because it only boots a temporary image.
If your want to extract your own boot image you can use this tool.
https://github.com/cyxx/extract_android_ota_payload
Sent from my OnePlus7TPro using XDA Labs
Click to expand...
Click to collapse
So if it boots an older image successfully I can move it over to the phone to patch to then flash it or use the already patched one and flash that...?..

How to root?

Hi everyone
My phone model is xt2075-3,I want to root
Can I directly flash the latest magisk(20.4) to get root permission after unlocking BL?

I've succeeded in getting root.The steps are as follows
1.Download the twrp for your mobile phone,and magisk20.4.zip,magisk 7.5.1.apk
2.Visit Motorola official unlock website to unlock BL
3.You have 2 choice,A.boot on twrp one time;B.flash twrp;I choose A
4.Whatever your choose,in the twrp,install magisk zip,after done,reboot system
Enjoy root!

If you use the Magisk Manager to patch the boot image manually, and then flash that through fastboot - will that work also?
(My phone has yet to arrive so can't test this just yet...)

Update : i got the 8gb ram 128gb varient and i could boot into twrp from fastboot but i cannot flash replacing stock recovery nor i can see the internal or external memory due to decryption error
However, i basically unlocked boot loader and booted in fast boot then i flashed the patched boot.img ( installed magisk apk and added the stock boot.img inside the phone to patch it) then copy it back to pc and flashed it in fastboot mode and now i got root access
NOTE : if you happen to do something wrong you cannot use rescue and backup software to restore your phone to stock again ... flash stock boot.img in fastboot first so the software will recognize the phone back again

sniper9911 said:
Update : i got the 8gb ram 128gb varient and i could boot into twrp from fastboot but i cannot flash replacing stock recovery nor i can see the internal or external memory due to decryption error
However, i basically unlocked boot loader and booted in fast boot then i flashed the patched boot.img ( installed magisk apk and added the stock boot.img inside the phone to patch it) then copy it back to pc and flashed it in fastboot mode and now i got root access
NOTE : if you happen to do something wrong you cannot use rescue and backup software to restore your phone to stock again ... flash stock boot.img in fastboot first so the software will recognize the phone back again
Click to expand...
Click to collapse
where did you find the boot.img and the patched one?
Thanks

Mr.Krulez said:
where did you find the boot.img and the patched one?
Thanks
Click to expand...
Click to collapse
Get the full stock image by downloading rescue and smart assistant app from lenovo which supports moto phones ... Do login and get the fastboot rescue option while plugging your phone in the pc in fastboot mode .. then it will download it full firmware for your varient
Becareful that continue to flash the firmware will wipe your phone completely
After that get a copy of the boot.img file ... Copy it to the internal memory and install magisk manager apk from its official github site ... Now patch the boot.img you copied in your phone inside the magisk app then copy it back to your pc
Lear how to flash it from fastboot
Flash it
Done .. you are now rooted by patched boot.img with stock recovery !
Sent from my moto g 5G plus using Tapatalk
View attachment 5143479View attachment 5143477View attachment 5143481

Thank you for the answer but if I want to just root my phone I only need to flash magisk right? i don't need the patched boot.img?
sorry to bother you but the last phone I used supersu withouth flashing anything else than the recovery

Hi Guys,
my device is a/b device, bootloader unlocked, could you please kindly advise to flash twrp
what is the fastboot command, i use fastboot flash recovery twrp.img and i get a bootloop . the command fastboot boot twrp.img runs twrp onece and its fine, but how do i flash it please?
thanks and kind regards

emanuel said:
what is the fastboot command, i use fastboot flash recovery twrp.img and i get a bootloop . the command fastboot boot twrp.img runs twrp onece and its fine, but how do i flash it please?
Click to expand...
Click to collapse
I think the flash method fails because there is no partition called "recovery" - as an A/B device it looks like there are two:
Code:
nairo:/ $ ls -l /dev/block/by-name/ | grep recovery
lrwxrwxrwx 1 root root 16 1970-05-20 07:34 recovery_a -> /dev/block/sdd20
lrwxrwxrwx 1 root root 16 1970-05-20 07:34 recovery_b -> /dev/block/sdf20
if you have the Magisk zip file on the internal storage you can use the "fastboot boot twrp.img" method to flash it from there (for some reason TWRP can't see the SD card on my device)

Now for my question... my rooted (UK Retail) device has indicated that there is an OTA update:
I've tried using the method described here to restore the boot partition to stock so that it doesn't interfere with the process, but it fails (see attached images).
Does anyone know of a working method? I have downloaded the full (2+GB) update so am prepared to flash that (and restore everything else from backups) if necessary - but would rather not if it can be avoided...
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xth88312 said:
I've succeeded in getting root.The steps are as follows
1.Download the twrp for your mobile phone,and magisk20.4.zip,magisk 7.5.1.apk
2.Visit Motorola official unlock website to unlock BL
3.You have 2 choice,A.boot on twrp one time;B.flash twrp;I choose A
4.Whatever your choose,in the twrp,install magisk zip,after done,reboot system
Enjoy root!
Click to expand...
Click to collapse
Hi @xth88312 ,
can you give the link you used to download TWRP for Moto XT2075-3?

I unlocked my phone through the official Motorola site:
Unlocking the Bootloader | Motorola Support US
Visit the customer support page to view user guides, FAQs, bluetooth pairing, software downloads, drivers, tutorials and to get repair and contact us information.
motorola-global-portal.custhelp.com
I downloaded the latest Magisk and MagiskManager in the same directory from
Releases · topjohnwu/Magisk
The Magic Mask for Android. Contribute to topjohnwu/Magisk development by creating an account on GitHub.
github.com
I downloaded the original firmware from https://mirrors.lolinet.com/ and extracted the boot.img in the same directory, then issued, through the ADB connection:
Code:
adb install ./MagiskManager-*.apk
adb push ./boot.img /sdcard/Download/
(Replace the star as needed)
I opened MagiskManager app (you need to be connected to the Internet) and in the Magisk card I tapped Install > "Select and Patch a File". I browsed for and selected /sdcard/Download/boot.img and tapped "Let's go". A patched image /sdcard/Download/magisk_patched_*.img is created. Then, through the ADB connection, I issued:
Code:
adb pull /sdcard/Download/magisk_patched_*.img
adb reboot bootloader
fastboot devices
fastboot flash boot magisk_patched_*.img
fastboot reboot
At reboot, the phone was rooted.

boringtech said:
Hi @xth88312 ,
can you give the link you used to download TWRP for Moto XT2075-3?
Click to expand...
Click to collapse
[RECOVERY][UNOFFICIAL] TWRP 3.5.0.0
Team Win Recovery Project 3.x, or twrp3 for short, is a custom recovery built with ease of use and customization in mind. Its a fully touch driven user interface no more volume rocker or power buttons to mash. The GUI is also fully XML driven and...
forum.xda-developers.com
thats the link for twrp for moto g 5g plus..
use at own risk as i havent tried it myself so im not responsible for bricked devices etc...FLASH AT OWN RISK....

Mr.Krulez said:
Thank you for the answer but if I want to just root my phone I only need to flash magisk right? i don't need the patched boot.img?
sorry to bother you but the last phone I used supersu withouth flashing anything else than the recovery
Click to expand...
Click to collapse
Mr.Krulez said:
Thank you for the answer but if I want to just root my phone I only need to flash magisk right? i don't need the patched boot.img?
sorry to bother you but the last phone I used supersu withouth flashing anything else than the recovery
Click to expand...
Click to collapse
youll have to patch bo
Mr.Krulez said:
Thank you for the answer but if I want to just root my phone I only need to flash magisk right? i don't need the patched boot.img?
sorry to bother you but the last phone I used supersu withouth flashing anything else than the recovery
Click to expand...
Click to collapse
you need to
Mr.Krulez said:
Thank you for the answer but if I want to just root my phone I only need to flash magisk right? i don't need the patched boot.img?
sorry to bother you but the last phone I used supersu withouth flashing anything else than the recovery
Click to expand...
Click to collapse
youll need the patched boot.img to gain root, thats how ive had to root all my moto phones ive had, never been able to just flash supersu etc, someone will jump in if im wrong but as far as i know you need to patch the boot.img....
Remember everything you do is at your own risk i take no responsibility for.what you do with your device

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Unlocked Firmware for JioFi 3 JMR540 & JMR541
Disclaimer
I am not responsible for any kind of damage to your device.
Use this firmware at your own risk
Post is for educational purpose only.
ONLY FOR JMR 540 & JMR 541
​I was able to dump and reverse engineer JioFi 3's firmware to see if I can unlock the SIM restrictions. JioFi 3 is designed by Foxconn it uses generic firmware. Unlocking took time though. Tested with Vi, Airtel.
UPDATE 17-10-21: Jio pushed a firmware update which is locking boot loader. If your device is not updated yet it is advised to re-flash your firmware with patched image given below which basically disables auto updates. If you're already locked out, currently there's no easy fix for that.
If you haven't used your device from a long time or you're still on lower or equal version than below it is advised not to use JioFi with SIM, flash this firmware first if you want to test SIM unlock.
Guide
Make sure you're on same or lower firmware version
JMR 540 - FXN_JMR540_R6.16
JMR 541 - FXN_JMR541_R3.10
1. Locate your device model and download the respective Firmware and extract it to a known location
JMR540_unlocked_patched_system.zip​
JMR541_unlocked_patched_system.zip​
2. Install drivers and tools (skip if already installed)
Install Fastboot drivers ( google it for mac and linux it's easy to find)​
Install Fastboot ( google it for mac and linux it's easy to find)​
3. Prepare device
Remove battery from JioFi 3
Locate reset pin hole button
Lay down JioFi 3
Use Paper Clip / SIM Ejector Tool to press button inside (using sharp object is not recommended)
Keep pressing button down and insert USB cable
Release button as soon as all the LEDs in Display turns RED. This means device is in boot loader mode
4. Flashing Unlocked Firmware
Open adb and fastboot tools terminal
Enter following to check if device is connected
fastboot devices
It will return something like this
baxxxxx fastboot
This means device is connected. If your device doesn't show up here please check drivers in Device manager
Now first erase the system partition
fastboot erase system
It will return something like this
erasing 'system'...
OKAY [ 1.104s]
finished. total time: 1.105s
Now flash the firmware
fastboot flash system "D:\system.img" ( replace path )
It should return something like this
sending 'system' (34306 KB)...
OKAY [ 1.276s]
writing 'system'...
OKAY [ 9.462s]
finished. total time: 10.741s
Now send reboot command to device
fastboot reboot
You'll notice device will reboot normally now you can unplug the cable.
Congratulations your device is now unlocked and you can reinsert battery and another SIM for testing.
Firmware will take long time than usual to boot do not panic.​
4. Changing APN
Insert SIM connect with JioFi 3 wait it to intialize
Open Web UI from browser (http://jiofi.local.html/)
Now login (default username/pwd is administrator/administrator)
In Network Tab you'll find setting for changing APN
Put it on manual and enter "internet" as APN (without quotes)
Hit apply/save device will reboot again automatically and it'll auto connect
Just wait patience is the key here it'll connect.
If something goes WRONG or you want to UNDO you can re flash original firmware which is provided in this post.
Original backup
JMR_540_original_system.zip​
JMR_541_original_system.zip​
FAQs
Q. My device is not visible in fastboot devices
A. Confirm driver installation a faulty cable can also be the issue.
.
Q. Everything went well but still no changes in dashboard
A. After successful flash if you still don't see the changes your device is probably booting from recovery partition. Try flashing recovery partition by
fastboot erase recoveryfs
fastboot flash recoveryfs "D:\system.img"
.
Q. After resetting device from pin hole button it shows INVALID SIM.
A. This is supposed to happen just reboot the device it'll work again.
.
Q. Can I undo all this and get back to original firmware
A. Yes just flash the original firmware provided in post and reset the device.
.
Q. I 'accidentally' flashed my recovery and boot partition
A. Well accidentally I've backed up recovery and boot download from below
1. JMR540_boot_recovery.rar
2. JMR541_boot_recovery.rar
.
Q. FAILED: (remote: Image is locked) issue while erasing/flashing image
A. Jio recently pushed an firmware update which re-locks simlock and bootloader which basically means you can't flash unsigned/custom firmware. Currently there is no fix.
​
Mentions:
Thanks to Karuppusamy for testing it on JMR541.
What about JioFi 2, 4, 5, 6?
Reverse Engineering takes lot of time and coffee. Until I get physical access to device I won't be able to unlock it. I'm constantly searching them on OLX as soon as I get hands on I'll surely try to RE and unlock it. I'll update the same here if there is no update here at the time of your reading then I haven't got the device yet so please don't spam for update hope you understand that I don't get anything by doing these things, I do it for liberation of locked hardware to meet it's real destiny and of course for the people. I also have a day job so no I cannot guide or teach you, hope you understand why.
For Devs:
JMR_540_FLASH_DUMP.rar
​

Reserved

successfully unlocked my jiofi 3 JMR541. tested with voda and its working well and good. Thanks a ton for this bro.
I was late in checking this thread and got shipped airtel unlocked mifi from home.

sksinha said:
successfully unlocked my jiofi 3 JMR541. tested with voda and its working well and good. Thanks a ton for this bro.
I was late in checking this thread and got shipped airtel unlocked mifi from home.
Click to expand...
Click to collapse
Can you show us dashboard screenshot. This will help other users to verify

abhimortal6 said:
Can you show us dashboard screenshot. This will help other users to verify
Click to expand...
Click to collapse
...

Nice, enjoy!

abhimortal6 said:
Nice, enjoy!
Click to expand...
Click to collapse
bro is unlocking more 4g bands or manual selection of bands can be done ?

sksinha said:
bro is unlocking more 4g bands or manual selection of bands can be done ?
Click to expand...
Click to collapse
Totally possible even 3G but it can't be done through WebUI it'll requires shell access.

Totally working! thanks a ton a bro <3

srbhsngwn said:
Totally working! thanks a ton a bro <3
Click to expand...
Click to collapse
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"lightbox_error": "The requested content cannot be loaded. Please try again later.",
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Great

..

myapky said:
JMR540 ERROR
Click to expand...
Click to collapse
you haven't properly specified the address of system.img Please give the complete path

srbhsngwn said:
you haven't properly specified the address of system.img Please give the complete path
Click to expand...
Click to collapse
Fixed issue.

myapky said:
there is a issue with JMR540, however I have successfully flashed JMR541 file on friends JioFi 3.
There is definitely a issue with JMR540 system.img file. request @abhimortal6 to check the file and reupload.
I have added a device info details for JMR540
Click to expand...
Click to collapse
This issue is not related to flash file as I own JMR 540 and it's been tested on multiple devices (refer attached image). "Not working" and "Not flashing" are two different things.
"flash write error" is a sign of bad emmc/nand, bad partition table can also be the cause. Please first try with original firmware and collect information by different permutations (re-downloading image, erasing system before flashing etc) before spamming.

abhimortal6 said:
This issue is not related to flash file as I own JMR 540 and it's been tested on multiple devices (refer attached image). "Not working" and "Not flashing" are two different things.
"flash write error" is a sign of bad emmc/nand, bad partition table can also be the cause. Please first try with original firmware and collect information by different permutations (re-downloading image, erasing system before flashing etc) before spamming.
View attachment 5326935
Click to expand...
Click to collapse
I am not spamming i am facing issue so I mentioned at XDA. I am facing 'flash write error' with the original system.img file too. Unable to flash img files.. Any solution to that ?

myapky said:
I am not spamming i am facing issue so I mentioned at XDA. I am facing 'flash write error' with the original system.img file too. Unable to flash img files.. Any solution to that ?
Click to expand...
Click to collapse
A single post with all the details in it would be sufficient.
As stated in previous post please try the following.
Try flashing original firmware first
Try erasing system partition ( fastboot erase system)
Try re downloading image
If you're getting flash write error in original firmware too then you're nand is probably fried.
try flashing recoveryfs partition
Bash:
fastboot flash recoveryfs "system.img"

abhimortal6 said:
A single post with all the details in it would be sufficient.
As stated in previous post please try the following.
Try flashing original firmware first
Try erasing system partition ( fastboot erase system)
Try re downloading image
If you're getting flash write error in original firmware too then you're nand is probably fried.
try flashing recoveryfs partition
Bash:
fastboot flash recoveryfs "system.img"
Click to expand...
Click to collapse
nand was dead...due to all day work on JioFi, now all good thanks for help.

abhimortal6 said:
Unlocked Firmware for JioFi 3 JMR540 & JMR541
Disclaimer
I am not responsible for any kind of damage to your device.
Use this firmware at your own risk
Post is for educational purpose only.
ONLY FOR JMR 540 & JMR 541
​I was able to dump and reverse engineer JioFi 3's firmware to see if I can unlock the SIM restrictions. JioFi 3 is designed by Foxconn it uses generic firmware. Unlocking took time though. Tested with Vi, Airtel.
Guide
Make sure you're on same firmware version
JMR 540 - FXN_JMR540_R6.16
JMR 541 - FXN_JMR541_R3.10
If not please use the device for sometime it'll autoupdate.
1. Locate your device model and download the respective Firmware and extract it to a known location
JMR540_unlocked_system.zip​
JMR541_unlocked_system.zip​
2. Install drivers and tools (skip if already installed)
Install Fastboot drivers ( google it for mac and linux it's easy to find)​
Install Fastboot ( google it for mac and linux it's easy to find)​
3. Prepare device
Remove battery from JioFi 3
Locate reset pin hole button
Lay down JioFi 3
Use Paper Clip / SIM Ejector Tool to press button inside (using sharp object is not recommended)
Keep pressing button down and insert USB cable
Release button as soon as all the LEDs in Display turns RED. This means device is in boot loader mode
4. Flashing Unlocked Firmware
Open adb and fastboot tools terminal
Enter following to check if device is connected
fastboot devices
It will return something like this
baxxxxx fastboot
This means device is connected. If your device doesn't show up here please check drivers in Device manager
Now first erase the system partition (Skip for JMR 540 )
fastboot erase system
It will return something like this
erasing 'system'...
OKAY [ 1.104s]
finished. total time: 1.105s
Now flash the firmware
fastboot flash system "D:\system.img" ( replace path )
It should return something like this
sending 'system' (34306 KB)...
OKAY [ 1.276s]
writing 'system'...
OKAY [ 9.462s]
finished. total time: 10.741s
Now send reboot command to device
fastboot reboot
You'll notice device will reboot normally now you can unplug the cable.
Congratulations your device is now unlocked and you can reinsert battery and another SIM for testing.
Firmware will take long time than usual to boot do not panic.​
4. Changing APN
Insert SIM connect with JioFi 3 wait it to intialize
Open Web UI from browser (http://jiofi.local.html/)
Now login (default username/pwd is administrator/administrator)
In Network Tab you'll find setting for changing APN
Put it on manual and enter "internet" as APN (without quotes)
Hit apply/save device will reboot again automatically and it'll auto connect
Just wait patience is the key here it'll connect.
If something goes WRONG or you want to UNDO you can re flash original firmware which is provided in this post.
Original backup
JMR_540_original_system.zip​
JMR_541_original_system.zip​
FAQs
Q. My device is not visible in fastboot devices
A. Confirm driver installation a faulty cable can also be the issue.
.
Q. Everything went well but still no changes in dashboard
A. After successful flash if you still don't see the changes your device is probably booting from recovery partition. Try flashing recovery partition by
Bash:
fastboot flash recoveryfs "system.img"
.
Q. After resetting device from pin hole button it shows INVALID SIM.
A. This is supposed to happen just reboot the device it'll work again.
.
Q. Can I undo all this and get back to original firmware
A. Yes just flash the original firmware provided in post and reset the device.
​
Mentions:
Thanks to Karuppusamy for testing it on JMR541.
​
Click to expand...
Click to collapse
Hi, i just read ur article on unlocking jiofi 3 and that looked amazing.But i have a jiofi JMR815 and have been looking for help to unlock it from a couple of years.But till date only your post looks promising and i ask yourhelp in helping me unlock my JioFi JMR815.Kindly consider helping me.Also i created an account in XDA just to ask your help
View attachment 5327245
View attachment 5327247
View attachment 5327249
View attachment 5327251

This is completely genius! I am now able to use Airtel sim on my JioFi! Thanks!

How To Guide Nokia G20 boot.img flashing!

Please be aware that this could damage your phone & I'm not responsible for this. So only do this if you really feel comfortable with it & you know about the risks!
This file is only for Nokia G20 TA-1365 and should not be used for any other device.
Download this file to manually Flash partition or partitions using fastboot Command.
For more detailed tutotial on how to flash this file you can read this tutorial here by senior member fipsib at XDA!
Let's say you want to flash boot.img partition so in CMD you will enter.
"fastboot flash boot boot.img" without quotes.
I have extracted OTA stock rom for my Nokia G20 and have all the files in the screenshot below. If you want all the files shown in the screenshot below I have uploaded them to Google Drive for faster and safer downloads rather than using any other file sharing service.
I have compressed all the files in a zip format and here is the Google Drive link for all the files shown below. Please request the access to the file so that I can grant access to you. I have done this to prevent Google setting an limit to download and avoid any unnecessary downloads.
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}

Do you have to unlock bootloader to flash boot.img if you have to can you tell how????

Don't know said:
Do you have to unlock bootloader to flash boot.img if you have to can you tell how????
Click to expand...
Click to collapse
Thankyou buddy but actually this post is a guide.

mvikrant97 said:
Please be aware that this could damage your phone & I'm not responsible for this. So only do this if you really feel comfortable with it & you know about the risks!
This file is only for Nokia G20 TA-1365 and should not be used for any other device.
Download this file to manually Flash partition or partitions using fastboot Command.
For more detailed tutotial on how to flash this file you can read this tutorial here by senior member fipsib at XDA!
Let's say you want to flash boot.img partition so in CMD you will enter.
"fastboot flash boot boot.img" without quotes.
I have extracted OTA stock rom for my Nokia G20 and have all the files in the screenshot below. If you want all the files shown in the screenshot below I have uploaded them to Google Drive for faster and safer downloads rather than using any other file sharing service.
I have compressed all the files in a zip format and here is the Google Drive link for all the files shown below. Please request the access to the file so that I can grant access to you. I have done this to prevent Google setting an limit to download and avoid any unnecessary downloads.
View attachment 5450449
Click to expand...
Click to collapse
Please share download link.I need to unbrick my Nokia G20 that was bricked.I have no firmware

Download this OTA ROM and flash using Apply update from SD CARD in recovery menu.
Use external SD card.
I don't know whether this will work.
ROM link

Don't know said:
Do you have to unlock bootloader to flash boot.img if you have to can you tell how????
Click to expand...
Click to collapse
Yes need to unlock bootloader.

mvikrant97 said:
Download this OTA ROM and flash using Apply update from SD CARD in recovery menu.
Use external SD card.
I don't know whether this will work.
ROM link
Click to expand...
Click to collapse
Hi thanks for the link. But my phone is bricked, can't enter recovery or fastboot mode. So the only solution here is a read firmware or scatter file.

mvikrant97 said:
Please be aware that this could damage your phone & I'm not responsible for this. So only do this if you really feel comfortable with it & you know about the risks!
This file is only for Nokia G20 TA-1365 and should not be used for any other device.
Download this file to manually Flash partition or partitions using fastboot Command.
For more detailed tutotial on how to flash this file you can read this tutorial here by senior member fipsib at XDA!
Let's say you want to flash boot.img partition so in CMD you will enter.
"fastboot flash boot boot.img" without quotes.
I have extracted OTA stock rom for my Nokia G20 and have all the files in the screenshot below. If you want all the files shown in the screenshot below I have uploaded them to Google Drive for faster and safer downloads rather than using any other file sharing service.
I have compressed all the files in a zip format and here is the Google Drive link for all the files shown below. Please request the access to the file so that I can grant access to you. I have done this to prevent Google setting an limit to download and avoid any unnecessary downloads.
View attachment 5450449
Click to expand...
Click to collapse
Kindly grant access to [email protected] need to unbrick my device

I would like to ask how do I extract the boot.img file from the phone? I can access the internals through the adb shell. I would love to learn the strategies used to extract the firmware from android devices that do not make them available. Thanks!!

karangejo said:
I would like to ask how do I extract the boot.img file from the phone? I can access the internals through the adb shell. I would love to learn the strategies used to extract the firmware from android devices that do not make them available. Thanks!!
Click to expand...
Click to collapse
Simply... You can't without root.
To get root (permanent root) you must unlock your bootloader........
Please, read this post to understand what i'm talking about https://forum.xda-developers.com/t/nokia-g21-development.4424031/
I think that today there's no way to unlock G10/G20/G21 bootloader. Then, no root or custom recovery can be build.
Maybe, @mvikrant97 can share with us some info (PM).

I unlocked my g20 TA-1343 by taking a hundred tiny screws out , shorting the test point, and using MTK Client 1.6
hyperlink of the link i pastedhttps://github.com/bkerler/mtkclient
I only took it apart because the other option was send it back to HMD
But I don't know how to flash the bin files with magisk or whatever as they're not valid images. but the thing is basically root if i felt like learning.

jdberkzk said:
I unlocked my g20 TA-1343 by taking a hundred tiny screws out , shorting the test point, and using MTK Client 1.6
hyperlink of the link i pastedhttps://github.com/bkerler/mtkclient
I only took it apart because the other option was send it back to HMD
But I don't know how to flash the bin files with magisk or whatever as they're not valid images. but the thing is basically root if i felt like learning.
Click to expand...
Click to collapse
Do you mean the bootloader unlock?

mvikrant97 said:
Do you mean the bootloader unlock?
Click to expand...
Click to collapse
Yes I unlocked the bootloader with mtk client but i have the G20 ta-1343 and. I didn't have a stom rom for it.. and I bricked it trying to root it and corrupt the gpt it looks like, now I cant get it to load in mtk client anymore. I haven't errased the rest of the phone but it is in a/b format so i dont know if i should flash it? I was stuck in boot loop

jdberkzk said:
Yes I unlocked the bootloader with mtk client but i have the G20 ta-1343 and. I didn't have a stom rom for it.. and I bricked it trying to root it and corrupt the gpt it looks like, now I cant get it to load in mtk client anymore. I haven't errased the rest of the phone but it is in a/b format so i dont know if i should flash it? I was stuck in boot loop
Click to expand...
Click to collapse
mvikrant97 said:
Do you mean the bootloader unlock?
Click to expand...
Click to collapse
I got bootloader unlocked but when i flashed magisk i got stuck on the android one screen and then now it's back to the no OS boot loop and
Error on reading data: MMC error (0xc0040030)
in mtkclient. i cant get to fastboot anymore.

I du
mvikrant97 said:
Do you mean the bootloader unlock
Click to expand...
Click to collapse
I dumped everything from my phone to my computer except userdata super otp and flashinfo i think.
the bins would flash the same as images except I can't get them to flash. should I try another firmware or?