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So um...I'm kind of shocked.
I just unlocked the bootloader on my shiny new USA GSM Galaxy Nexus from Google Play and...my data was still there when I rebooted. No Android Wizard or anything.
It's as if I did nothing, but I checked MULTIPLE times and I'm unlocked. Got the unlock icon during boot and everything.
digweed4me said:
same here on mine my data was intact
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BlindWolf8 said:
Just relocked and unlocked again to make sure it wasn't some sort of weird fluke...looks like I'm immune. What's going on here? An unlock is supposed to wipe everything for security reasons.
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FredFS456 said:
So all the apps, app data, virtual sdcard files, etc. were all there?
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BlindWolf8 said:
Yessiree. Everything was still there. The phone acted as if nothing happened whatsoever, despite the onscreen warning about losing data.
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Archpope said:
Same thing happened to me. I was prepared to start all over, but doing the 4-in-1 from the Galaxy Nexus Toolkit, I was surprised to see the only changes were an unlock symbol appearing on the screen at bootup, and Google Wallet griping about my having an insecure phone.
I may re-lock the bootloader now that I've rooted. I'm not sure if I will lose root, but I only rooted to run an adblocker anyway.
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BlindWolf8 said:
For the record I didn't even do that. I simply did "fastboot oem unlock". I like to keep things simple.
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uoY_redruM said:
Got mine from the play store Friday. Unlock wiped nothing..
Sent from my Galaxy Nexus using xda premium
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BlindWolf8 said:
Figured I'd just give ya all the info so you have it:
Stock bootloader shows:
FASTBOOT MODE
PRODUCT NAME - tuna
VARIANT - maguro 16GB
HW VERSION - 9
BOOTLOADER VERSION - PRIMELA03
BASEBAND VERSION - I9250XXLA2
CARRIER INFO - NONE
SERIAL NUMBER - [REDACTED] (I can give it if it's absolutely needed)
SIGNING - production
LOCK STATE - UNLOCKED
Download/Odin Mode shows:
OMAP-Samsung HW Information
Board Name: tuna REV 9
Board Rev: HSPA - 9
Boot Type: USB MMC1
Device Type: HS
Build Date: Jan 24 2012 18:27:20
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efrant said:
Hmmm. You do have a shipping (sorry, "production") bootloader, not an engineering one. Very interesting... Not sure why some devices wipe while others will not, upon unlocking.
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bilalakhtar said:
There are quite many security issues that could arise from being able to unlock the bootloader without wiping all data, for example, a hacker could get past your screen lock by:
1) Battery pull, then
2) Boot into bootloader using the key combination
3) fastboot oem unlock
4) Flash an unsecure boot.img that has r/w permissions
5) Edit the right files to remove screen lock
But I still have a feeling that this behavior with USA GSM Nexi is intended. Probably because Google intended that phone to be sold only to developers who are likely going to be unlocking bootloaders anyway, and decided to simplify the process?
Click to expand...
Click to collapse
MERGED THREADS.
Mark.
bobsbbq said:
I don't think the Amazon is a USA version but an international version. If international version it will have to be shipped overseas for repair, Google Play has USA warranty. Also if you do decide to root the USA version does not wipe your device during the unlocking of bootloader like the international versions do.
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The USA version, as any other hspa+ version, DOES wipe userdata when unlocking the bootloader.
I have the USA version from the play store. My data wasn't wiped after unlocking the bootloader. Either way, its not a big deal. Warranty matters are much more important.
Sent from my Galaxy Nexus using Tapatalk 2
bobsbbq said:
I don't think the Amazon is a USA version but an international version. If international version it will have to be shipped overseas for repair, Google Play has USA warranty. Also if you do decide to root the USA version does not wipe your device during the unlocking of bootloader like the international versions do.
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Nobody who has purchased a play store GN has reported wipe after unlock.
Mine from the play store did NOT wipe user data after unlocking. I am running CM9 and have locked and unlocked many times without wiping data.
DOHCtor said:
The USA version, as any other hspa+ version, DOES wipe userdata when unlocking the bootloader.
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Does NOT wipe actually. Maybe leave it to people with first hand experience to answer a question like this?
Sent from my Galaxy Nexus
ragnarokx said:
Does NOT wipe actually. Maybe leave it to people with first hand experience to answer a question like this?
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Although it may be a bug that will be fixed in a later update so I don't know if the failure to wipe is a permanent feature. However, I can verify my GN didn't wipe either after unlocking.
ragnarokx said:
Does NOT wipe actually. Maybe leave it to people with first hand experience to answer a question like this?
Sent from my Galaxy Nexus
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is this with the oem fastboot unlock method?
ragnarokx said:
Does NOT wipe actually. Maybe leave it to people with first hand experience to answer a question like this?
Sent from my Galaxy Nexus
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Click to collapse
I have 3 Play store Galaxy Nexus. They all wiped data when I unlocked bootloader. I think that's first hand experience. If it doesn't wipe the data, then that's a security risk.
Example: Just yesterday, I got tired of using CM9 and fastbooted the stock images without -w. I didn't want to go into recovery to wipe data and factory reset (because that just wipes data partition, not usb storage), so while in fastboot, I did fastboot oem lock then fastboot oem unlock. If it didn't wipe data, then my usb storage should've had a clockwordmod folder, music that I precache, and other various folders that were created from apps that were installed, and I wouldn't be introduced to the welcome screen upon bootup. Like I said, if it doesn't wipe data for you guys, then that's a security risk and you should be contacting Google. Because if you lose your phone, someone can oem unlock your phone and go through your data.
AcuraKidd said:
is this with the oem fastboot unlock method?
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Yup.
DOHCtor said:
I have 3 Play store Galaxy Nexus. They all wiped data when I unlocked bootloader. I think that's first hand experience. If it doesn't wipe the data, then that's a security risk.
Example: Just yesterday, I got tired of using CM9 and fastbooted the stock images. I didn't want to go into recovery to wipe data and factory reset, so while in fastboot, I did fastboot oem lock then fastboot oem unlock. If it didn't wipe data, then my usb storage should've had a clockwordmod folder, music that I precache, and other various folders that were created from apps that were installed, and I wouldn't be introduced to the welcome screen upon bootup. Like I said, if it doesn't wipe data for you guys, then that's a security risk and you should be contacting Google. Because if you lose your phone, someone can oem unlock your phone and go through your data.
Click to expand...
Click to collapse
Well then your statement about "The USA version, as any other hspa+ version" is at least inaccurate. As you can see, many people's data did not wipe when they unlocked their bootloaders, so all phones/situations are not the same.
And I'm not really worried about someone unlocking my bootloader if I lose my phone - it's already unlocked If I had data that precious on my phone, I wouldn't root in the first place.
ragnarokx said:
Yup.
Well then your statement about "The USA version, as any other hspa+ version" is at least inaccurate. As you can see, many people's data did not wipe when they unlocked their bootloaders, so all phones/situations are not the same.
And I'm not really worried about someone unlocking my bootloader if I lose my phone - it's already unlocked If I had data that precious on my phone, I wouldn't root in the first place.
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I was assuming that (maybe not the Docomo version) all GSM versions had the same hardware and if that's the case, then it's software related as to why your data's are not being wiped. Maybe the bootloader that came with the imm30d before it updated to imm76i doesn't wipe the data upon unlocking? Do me a favor, go into bootloader mode and tell me if your bootloader version is primela03.
I didn't get a chance to look at the bootloader versions when I received my Galaxy Nexus because I oem unlocked all three of them right away and fastbooted the latest takju images via flash-all.sh script on all of them just to avoid waiting for ota. I didn't want my dad and brother come to me and ask me "why is it telling me to update? What is it?"
DOHCtor said:
I was assuming that (maybe not the Docomo version) all GSM versions had the same hardware and if that's the case, then it's software related as to why your data's are not being wiped. Maybe the bootloader that came with the imm30d before it updated to imm76i doesn't wipe the data upon unlocking? Do me a favor, go into bootloader mode and tell me if your bootloader version is primela03.
I didn't get a chance to look at the bootloader versions when I received my Galaxy Nexus because I oem unlocked all three of them right away and fastbooted the latest takju images via flash-all.sh script on all of them just to avoid waiting for ota. I didn't want my dad and brother come to me and ask me "why is it telling me to update? What is it?"
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Interesting. I did the OTA update before unlocking.
Sent from my Galaxy Nexus
Edit: you realize that flashing factory images will also wipe your device, right?
DOHCtor said:
The USA version, as any other hspa+ version, DOES wipe userdata when unlocking the bootloader.
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Click to collapse
Well sorry sir your wrong. At least I can say this for the first initial unlock and root using the Nexus tool kit. I have two of them and both of them did not wipe. When they booted up everything was the same as before I unlocked and rooted.
After reading some of the comments in the Tool Kit thread is is believed the USA version has a slightly different bootloader. Some think Google wanted to make it easier as they know people are going to root their phones.
There maybe other ways to unlock the bootloader which causes a wipe. But I can assure you using the tool kit doesn't.
I wont say that its not possible but I have read all the way through the play store gsm thread and not a single purchaser reported a wipe after unlock.
ragnarokx said:
Interesting. I did the OTA update before unlocking.
Sent from my Galaxy Nexus
Edit: you realize that flashing factory images will also wipe your device, right?
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Click to collapse
Yes, but after flashing the takju images for them, i loaded it up and did testing on the phone to make sure everything was okay. Afterwards, I would lock, unlock, and lock the bootloader again to wipe all data (including usb storage). How do I know it wipes? Because I am presented with the setup wizard again upon boot, and all the sample photos that I've taken to test the camera in the DCIM folder are gone.
Someone mention they unlocked bootloader and rooted with toolkit. For all those that did not have data wipe, which method did you guys use? I didn't use toolkit, I did it the old fashion way with setting up ADB. I'm use to doing that way since the G1 days.
edit: I'm not calling anyone a liars and this information about a no wipe bootloader unlock is all new to me. I'm just trying to find out why it's not wiping for some people...
DOHCtor said:
Yes, but after flashing the takju images for them, i loaded it up and did testing on the phone to make sure everything was okay. Afterwards, I would lock, unlock, and lock the bootloader again to wipe all data (including usb storage). How do I know it wipes? Because I am presented with the setup wizard again upon boot, and all the sample photos that I've taken to test the camera in the DCIM folder are gone.
Someone mention they unlocked bootloader and rooted with toolkit. For all those that did not have data wipe, which method did you guys use? I didn't use toolkit, I did it the old fashion way with setting up ADB. I'm use to doing that way since the G1 days.
edit: I'm not calling anyone a liars and this information about a no wipe bootloader unlock is all new to me. I'm just trying to find out why it's not wiping for some people...
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Click to collapse
So you have no way of knowing if your device was wiped the first time you unlocked, since you flashed factory images immediately afterwards. Could there be a difference between unlocking the first time and subsequent times? I wouldn't know because I only unlocked once.
Sent from my Galaxy Nexus
ragnarokx said:
So you have no way of knowing if your device was wiped the first time you unlocked, since you flashed factory images immediately afterwards. Could there be a difference between unlocking the first time and subsequent times? I wouldn't know because I only unlocked once.
Sent from my Galaxy Nexus
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Then there's a possibility that all GSM Galaxy Nexus doesn't wipe the first bootloader unlock. Maybe people didn't take notice the first time they did it. Just a theory.
Can anyone that relocked and unlocked the bootloader chime in and let us know if it wiped their data?
Dohctor maybe our play store versions are later revisions idk? All I know is I also have two galaxy nexuses from play store and when unlocking boot loader it did not erase the data that I had on my phone all of my apps were still there also. Obviously play store nexuses do not wipe data upon unlockingand who knows why. Anyways I will make a video to show the non believers I have no problem doing that.... I also relocked and unlocked boot loader because I tried starting dead fresh to get google wallet to work again let's just say that if u do not wipe or reset data inside the app your beat so I thought locking boot loader and unrooting then reflashing stock image would help. It didn't .... secure element is beat on my one device. So I unlocked the "relocked" boot loader ( this is what it says when u relock it) anyways it told me it would wipe data I proceeded. Rooted again threw touch recovery on booted into recovery and there was my aokp backup waiting for me ... so unlocked relocked and unlocked again...no data loss. Pretty cool I think of it as if u have data on your phone that is that important do not root then! So it not wiping data doesn't bother me. ....all using toolkit btw
sarni84 said:
Dohctor maybe our play store versions are later revisions idk? All I know is I also have two galaxy nexuses from play store and when unlocking boot loader it did not erase the data that I had on my phone all of my apps were still there also. Obviously play store nexuses do not wipe data upon unlockingand who knows why. Anyways I will make a video to show the non believers I have no problem doing that.... I also relocked and unlocked boot loader because I tried starting dead fresh to get google wallet to work again let's just say that if u do not wipe or reset data inside the app your beat so I thought locking boot loader and unrooting then reflashing stock image would help. It didn't .... secure element is beat on my one device. So I unlocked the "relocked" boot loader ( this is what it says when u relock it) anyways it told me it would wipe data I proceeded. Rooted again threw touch recovery on booted into recovery and there was my aokp backup waiting for me ... so unlocked relocked and unlocked again...no data loss. Pretty cool I think of it as if u have data on your phone that is that important do not root then! So it not wiping data doesn't bother me. ....all using toolkit btw
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Even if you don't root, people can get access to your data if it doesn't wipe upon unlocking the bootloader. For example; you lose or someone steals your phone and wants your data for some reason. You never unlocked or rooted your phone, it's bone stock. The thief will hook it up to his or her computer and unlock the bootloader and boot up clockwork recovery and pull all your data, including files and pictures in your usb storage (unless you enable encryption). I'm not paranoid, I telling you guys what's possible.
That sucks that relocking and unlocking the bootloader didn't wipe data for you. Don't have to make a video because I believe you. And about having a later version, that's not true. I ordered mines the first day Google made it available in the Play Store.
It sucks that Google Wallet still has that SE error. I always reset data within the app every time I switch roms. Glad my Wallet still works
I decided to unlock it, then im stuck in bootloop... At first it says failed, then after i press it again, it says succrss, but i got a bootloop...
What causing this problem?
AndreIrawan97 said:
I decided to unlock it, then im stuck in bootloop... At first it says failed, then after i press it again, it says succrss, but i got a bootloop...
What causing this problem?
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When you unlock the bootloader via sony's official way (using fastboot mode) your security related contents (DRM keys) in trim/TA partition gets erased and you will have access to install a new custom rom . But while unlocking is under progress, say for any reason it gets interrupted,there is a chance that all security related data might not be erased fully / In other words there is a chance that TA partition might have been corrupted
Usually when your phone boots its verifies for the intactness of TA/Trim partition, either it should have all security data (locked bootloader) or fully erased security related data (unlocked bootloader), if partial security information is available, it considers that TA partition has been tampered and will refuse to boot
gokukaushik said:
When you unlock the bootloader via sony's official way (using fastboot mode) your security related contents (DRM keys) in trim/TA partition gets erased and you will have access to install a new custom rom . But while unlocking is under progress, say for any reason it gets interrupted,there is a chance that all security related data might not be erased fully / In other words there is a chance that TA partition might have been corrupted
Usually when your phone boots its verifies for the intactness of TA/Trim partition, either it should have all security data (locked bootloader) or fully erased security related data (unlocked bootloader), if partial security information is available, it considers that TA partition has been tampered and will refuse to boot
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So.... How to properly unlock it? And what should i do if i got a bootloop again?
AndreIrawan97 said:
So.... How to properly unlock it? And what should i do if i got a bootloop again?
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Right now if you are able to boot into your phone, leave it, you have already unlocked/relocked it. If you are in the same situation again,
Steps
1) Relock your bootloader via flashtool
2) Now flash a fully bundled sony official ftf via flashtool.(This will ensure that if any discrepencies in TA partition are there, will be corrected)
Note: This will not restore your DRM keys.I am afraid if you have not backed up your DRM keys during first unlocking trail.they are lost.
3) Follow sony's official bootloader unlock method (www.developer.sonymobile.com/unlockbootloader/unlock-yourboot-loader)
gokukaushik said:
Right now if you are able to boot into your phone, leave it, you have already unlocked/relocked it. If you are in the same situation again,
Steps
1) Relock your bootloader via flashtool
2) Now flash a fully bundled sony official ftf via flashtool.(This will ensure that if any discrepencies in TA partition are there, will be corrected)
Note: This will not restore your DRM keys.I am afraid if you have not backed up your DRM keys during first unlocking trail.they are lost.
3) Follow sony's official bootloader unlock method (www.developer.sonymobile.com/unlockbootloader/unlock-yourboot-loader)
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Click to collapse
So... Can i just restore TA and unlock it? Because i have a TA backup
AndreIrawan97 said:
So... Can i just restore TA and unlock it? Because i have a TA backup
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Click to collapse
Good that you had a TA backup before unlocking.If you restore your TA backup and unlock it again , it will again erase your security keys, which will lead you to where you started.What is your requirement . Unlock your bootloader only if you want to install a custom rom. Believe me, TA partition is not the one to be played with; it can even render your mobile into a costly paper weight(hardbrick), if it gets messed up pretty bad . If you are already unlocked do not try to restore your TA partition,and unlock again.Its already unlocked and doesnt make any sense to unlock it again ; Restore it only when you want to go back to a locked bootloader.
I'm not a developer, just an enthusiast. Trying to understand if having an unlocked bootloader causes my device to be vulnerable to fastboot attacks? Or is my devices data still encrypted as long as i have a password? I know booting into my twrp recovery requires my password before decryption.. but can't they just fastboot boot a twrp image and gain access to my data somehow? or no? Can someone with knowledge explain?
If they have your phone in their hand yes it is a risk. They have access to all it's contents.
How hard is it to relock your bootloader? My bootloader is unlocked and my phone was rooted (i seem to have lost my root somehow maybe through an update). I am considering relocking my bootloader so that I can try Android Pay. Is this possible and is there a tutorial?
TolaSkamp said:
How hard is it to relock your bootloader? My bootloader is unlocked and my phone was rooted (i seem to have lost my root somehow maybe through an update). I am considering relocking my bootloader so that I can try Android Pay. Is this possible and is there a tutorial?
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Click to collapse
Of course there are tutorials, tons of them. One quick note, you should flash the latest factory image while you are unlocked to make sure everything is fully stock. No reason to save the data, just use flash-all, since relocking will wipe it all anyway. You could also just flash a kernel such as Elemental to access Android Pay.
bobby janow said:
Of course there are tutorials, tons of them. One quick note, you should flash the latest factory image while you are unlocked to make sure everything is fully stock. No reason to save the data, just use flash-all, since relocking will wipe it all anyway. You could also just flash a kernel such as Elemental to access Android Pay.
Click to expand...
Click to collapse
Thanks for the reply. I will probably just flash the Elemental kernel and leave the bootloader unlocked, thanks. I seem to have lost my root, would I need to be rooted. I really rather not have to wipe all my data.
TolaSkamp said:
Thanks for the reply. I will probably just flash the Elemental kernel and leave the bootloader unlocked, thanks. I seem to have lost my root, would I need to be rooted. I really rather not have to wipe all my data.
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Click to collapse
No need to be rooted. Just boot to twrp and flash the kernel. AP with then work I believe. Try it out, I'm locked so I can't say for sure but on my 5x it works.
Doesn't Android Device Manager (or something there of) have some protection against lost/stolen phones. I recall reading that once you have your Google account sync'ed to the phone, you will need your Google account password to restart the phone even after a factory reset.
robchow said:
Doesn't Android Device Manager (or something there of) have some protection against lost/stolen phones. I recall reading that once you have your Google account sync'ed to the phone, you will need your Google account password to restart the phone even after a factory reset.
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This is easily bypassed. It will keep the honest people out, but with minimal effort someone could get past it.
Sent from my Pixel XL using Tapatalk
Here is the Android feature I was referring to about needing Google account's password:
Factory Reset Protection (FRP)
https://support.google.com/pixelphone/answer/6172890?hl=en
Am I correct that this statement "If you have Developer options turned on, you can also turn off device protection from your device's Settings app Settings. Tap Developer options and then OEM Unlocking" relates to bootloader unlock? As such, if unlocked bootloader then this FRP isn't active? Can FRP be turned on with unlocked bootloader?
superchilpil said:
This is easily bypassed. It will keep the honest people out, but with minimal effort someone could get past it.
Click to expand...
Click to collapse
Are you suggesting that FRP is easily bypassed?
I am on the official Android 10 firmware and would like to downgrade back to Pie. Is this possible without unlocking the bootloader? The T-Mobile unlock app apparently don't work on 10 yet so I need to get back to Pie to unlock then I can go back to 10.
Yes, I think you can. You can sideload an OTA image without unlocking the bootloader. Even though it says OTA, it is a full factory image. The files and directions are both available at that link. If possible, I would certainly do a full factory reset of your phone as soon as it booted however. You never want to back into an older version of Android without doing a full factory reset.
sic0048 said:
Yes, I think you can. You can sideload an OTA image without unlocking the bootloader. Even though it says OTA, it is a full factory image. The files and directions are both available at that link. If possible, I would certainly do a full factory reset of your phone as soon as it booted however. You never want to back into an older version of Android without doing a full factory reset.
Click to expand...
Click to collapse
Ok, I just tried that and part way through installation it aborted. "E:Failed to verify package compatibility" along with some other errors...
To revert to pie you have to use the full image and the platform tools available over at Goog but for this you need to unlock the bootloader. If you want to stay on a locked bootloader you then lock it after you're up on stock pie again. Keep in mind you'll want to do the works before you move any data back to the phone and that unlocking the bootloader will wipe the phone so you'll need to back up everything before you unlock.There are specific instructions for all of that and the images and tools at https://developers.google.com/android/images
Don't be afraid of unlocking the bootloader, it can be unlocked and locked again at your whim over and over. Doesn't hurt anything other than you get a wipe in the process.
krabman said:
To revert to pie you have to use the full image and the platform tools available over at Goog but for this you need to unlock the bootloader. If you want to stay on a locked bootloader you then lock it after you're up on stock pie again. Keep in mind you'll want to do the works before you move any data back to the phone and that unlocking the bootloader will wipe the phone so you'll need to back up everything before you unlock.There are specific instructions for all of that and the images and tools at https://developers.google.com/android/images
Don't be afraid of unlocking the bootloader, it can be unlocked and locked again at your whim over and over. Doesn't hurt anything other than you get a wipe in the process.
Click to expand...
Click to collapse
I cant unlock the boot loader because the phone is SIM locked to T-Mobile. This is the whole reason I want to go back to Pie so the unlock app will work. This sucks
You can get it sim unlocked by phone if you meet their unlock requirements, or at least you used to be able to do so, I did it that way there myself a few years ago. If that's not the case anymore then... yeah, you're in a pretty sucky spot.
krabman said:
You can get it sim unlocked by phone if you meet their unlock requirements, or at least you used to be able to do so, I did it that way there myself a few years ago. If that's not the case anymore then... yeah, you're in a pretty sucky spot.
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Click to collapse
I do meet their unlock requirements..They have a ticket open with engineering for over a week but I’ve found out from other means that the unlock app isn’t compatible with Android 10.
Do you mean there’s another way to SIM unlock then the app? If so please enlighten me.
"You can get it sim unlocked by phone..." You call them on the good old fashioned telephone and tell them you want to remove the sim lock. Customer service can do it without the app, to my knowledge this was possible as recently as the 6T; Tmo guys were calling up and getting it done in essentially the same scenario you're in.
I have just rooted an old note 10+ 5g with Magisk to recover some old lost photos.
Problem I have is although successfully rooted now, any recovery app I use is not finding a single file.
Anybody have an idea what to do?
Karl Brunton said:
I have just rooted an old note 10+ 5g with Magisk to recover some old lost photos.
Problem I have is although successfully rooted now, any recovery app I use is not finding a single file.
Anybody have an idea what to do?
Click to expand...
Click to collapse
Was the bootloader locked before you did this? Unlocking the bootloader wipes data.
V0latyle said:
Was the bootloader locked before you did this? Unlocking the bootloader wipes data.
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Click to collapse
Yes it was locked and I know it wipes data but thought I might be able to recover data
Karl Brunton said:
Yes it was locked and I know it wipes data but thought I might be able to recover data
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Click to collapse
Nope, sorry. As you know, unlocking the bootloader wipes data, and the only thing that -might- be able to recover your files would be forensic data recovery.
Good luck.
I have my old note 9 that I want to do the same thing with. If bootloader needs unlocking how can I get around this so that I can get root but without losing data? Not done rooting for a long long time and this whole bootloader lock seems to be a right pain
I found out the hard way on a 6T a few years back...you can't. Unlocking the bootloader wipes data. Only way around it is back and restore.