Develop Bugs

[Q] i9195 bootloop

Hello,
I changed LCD display on my i9195 phone, and after replacement, when I tried to put this phone on, it stucks on bootloop.
So, when i put phone on, it vibrate, logo Samsung Galaxy S4 mini appear and it goes off, 2 x vibrate and reset again.
I tried to flash 2 stock roms, but it didn´t helped.
Then, in CWM i found some interesting texts:
Wipe cache partition
--Wiping Cache..
Formating /cache
Cache wipe completed
Wipe data/factory reset
--Wiping data...
Formating /data
Error mounting /data
Skipping format...
Formatting /cache
Formatting /sd-ext...
Formatting /sd-card/ .android_secure!
Skipping format...
Data wipe completed.
CWM /advanced / show log
mount: mounting /dev/block/platform/msm_sdcc.1/by-name/userdata on /data failed: Invalid argument
W: faild to mount /dev/block/platform/msm_sdcc.1/by-name/userdata (File exists)
When i try to "mount /data "
Error mounting /data
I also tried two times to "install" .pit file via odin, but it didn´t helped.
So, there is no /scdard and /data anymore! I can´t even try to install zip from /sdcard. Flash stock rom didn´t help. New .pit file didn´t help.
Could you please help me? Many thanks.

Simply flash a stock ROM, do not check "repartition"!!! No need of PIT file. After flashing process will be done phone will reboot and make a wipe by itself. Then it will reboot automatically. But, it won`t boot, and you`ll get a freezed "Samsung" text. Simply turn off the phone by long pushing of the power button/ or pull battery out. Then boot your phone to recovery and make a wipe/factory reset, then reboot your phone. Enjoy.

Hi
Kony_i9195 said:
Hello,
I changed LCD display on my i9195 phone, and after replacement, when I tried to put this phone on, it stucks on bootloop.
So, when i put phone on, it vibrate, logo Samsung Galaxy S4 mini appear and it goes off, 2 x vibrate and reset again.
I tried to flash 2 stock roms, but it didn´t helped.
Then, in CWM i found some interesting texts:
Wipe cache partition
--Wiping Cache..
Formating /cache
Cache wipe completed
Wipe data/factory reset
--Wiping data...
Formating /data
Error mounting /data
Skipping format...
Formatting /cache
Formatting /sd-ext...
Formatting /sd-card/ .android_secure!
Skipping format...
Data wipe completed.
CWM /advanced / show log
mount: mounting /dev/block/platform/msm_sdcc.1/by-name/userdata on /data failed: Invalid argument
W: faild to mount /dev/block/platform/msm_sdcc.1/by-name/userdata (File exists)
When i try to "mount /data "
Error mounting /data
I also tried two times to "install" .pit file via odin, but it didn´t helped.
So, there is no /scdard and /data anymore! I can´t even try to install zip from /sdcard. Flash stock rom didn´t help. New .pit file didn´t help.
Could you please help me? Many thanks.
Click to expand...
Click to collapse
You could look into the s4 mini general forum for my unbrick thread I hope it helps report back
Sent from my unknown using XDA Premium 4 mobile app

djtyta : I tried this with 2 stock roms, and it didn´t work.
Aronuser: I found your unbrick topic before i wrote here, but it didn´t work as well.
Anyway, many thanks for response.

So, after 8 hours of scouting, what it could be. I flashed kernel and it works now.
But i found another problem. Touch display doesn´t work. Power button, volume button and bottom buttons(menu,home,back) works.
Any solutions? Many thanks.

Kony_i9195 said:
So, after 8 hours of scouting, what it could be. I flashed kernel and it works now.
But i found another problem. Touch display doesn´t work. Power button, volume button and bottom buttons(menu,home,back) works.
Any solutions? Many thanks.
Click to expand...
Click to collapse
The same is happening here.
Which kernel did you use?
Managed to solve the problem of touch?

[noob] How can i change to f2fs inTwrp?

I'm on zenity rr latest build with render kernel eas, I'd like to know how i can change file system to f2fs and what it will erase...And then... Is it worth changing to f2fs? Probably this question has been asked many times, but if i found it i wouldn't have written noob in title

eraser3000 said:
I'm on zenity rr latest build with render kernel eas, I'd like to know how i can change file system to f2fs and what it will erase...And then... Is it worth changing to f2fs? Probably this question has been asked many times, but if i found it i wouldn't have written noob in title
Click to expand...
Click to collapse
f2fs is for good benchmarks in real life ext4 >> f2fs
and when you change the FS the data will be lost .
f2fs makes twrp very slow as well .
I was using f2fs for a month and reverted it back .
Didnt like it

Its very easy brother although formatting data to f2fs will erase everything like your download's/pictures, so the steps.
BACK UP YOUR SD CARD FOLDER.
1 - Reboot to twrp
2 - select wipe and then select advanced wipe/change filesystem.
3 - select data
4 - select change filesystem or format ( forgot which word it actually says )
5 - select f2fs and swipe to confirm flash
6 - reboot and restore data folder
People will say its not worth it but if you write to your data a lot and install apps you notice faster install times over EXT4

daviss101 said:
Its very easy brother although formatting data to f2fs will erase everything like your download's/pictures, so the steps.
BACK UP YOUR SD CARD FOLDER.
1 - Reboot to twrp
2 - select wipe and then select advanced wipe/change filesystem.
3 - select data
4 - select change filesystem or format ( forgot which word it actually says )
5 - select f2fs and swipe to confirm flash
6 - reboot and restore data folder
People will say its not worth it but if you write to your data a lot and install apps you notice faster install times over EXT4
Click to expand...
Click to collapse
Will it wipe even other partitions like /system? do I have to flash again something?

eraser3000 said:
Will it wipe even other partitions like /system? do I have to flash again something?
Click to expand...
Click to collapse
No just data so you won't have to flash ROM again

daviss101 said:
No just data so you won't have to flash ROM again
Click to expand...
Click to collapse
Ok thanks, i thought i had to flash rom again:silly:

daviss101 said:
No just data so you won't have to flash ROM again
Click to expand...
Click to collapse
Does supersu work with f2fs?

Format data in recovery WIPE ALL in youre phone.
Recovery > Wipe > Format Data > Yes.

null0seven said:
Format data in recovery WIPE ALL in youre phone.
Recovery > Wipe > Format Data > Yes.
Click to expand...
Click to collapse
yes but...It will wipe only internal not system partition right?

Mate, format data erase ALL.
You only have a empty TWRP directory in internal memory. It's healty for the phone, but if you like to keep data...

null0seven said:
Mate, format data erase ALL.
You only have a empty TWRP directory in internal memory. It's healty for the phone, but if you like to keep data...
Click to expand...
Click to collapse
Lol, now i only became more confused. If i format data all my internal storage will be wiped, right? But my other partitions will be kept? such as system? after formatting and clicking on reboot system it will boot or stay in boot loop?

eraser3000 said:
Lol, now i only became more confused. If i format data all my internal storage will be wiped, right? But my other partitions will be kept? such as system? after formatting and clicking on reboot system it will boot or stay in boot loop?
Click to expand...
Click to collapse
There's no major difference you will see in changing the filesystem to F2FS. I am using F2FS on Data Partition on Sultan CM & there is no major difference in real life.

qasimtb said:
There's no major difference you will see in changing the filesystem to F2FS. I am using F2FS on Data Partition on Sultan CM & there is no major difference in real life.
Click to expand...
Click to collapse
I want to give it a try, if I don't see any noticeable difference I could come back to ext4

eraser3000 said:
yes but...It will wipe only internal not system partition right?
Click to expand...
Click to collapse
There are a few partitions on your phone, just like a hard drive. Think of your /system partition as your C: drive. Your /data partition would then be D: Your apps, the data for the apps, your dalvik/art cache, and your "Internal storage" are all on /data.
Changing your file system is literally formatting the drive, which initializes a new file system. For Windows, it's NTFS, for Linux it's normally ext4. You are basically going to format D:
Got it? Your Rom is on C:, data and apps on D:
Sent from my ONEPLUS A3000 using Tapatalk

About F2FS some users sad that it's better on gaming. And benchmarks (this it's useless).
Other than that recovery open slowly comparing with ext4.
Le
You will see that youre internal memory it's smaller on F2FS.

uudruid74 said:
There are a few partitions on your phone, just like a hard drive. Think of your /system partition as your C: drive. Your /data partition would then be D: Your apps, the data for the apps, your dalvik/art cache, and your "Internal storage" are all on /data.
Changing your file system is literally formatting the drive, which initializes a new file system. For Windows, it's NTFS, for Linux it's normally ext4. You are basically going to format D:
Got it? Your Rom is on C:, data and apps on D:
Sent from my ONEPLUS A3000 using Tapatalk
Click to expand...
Click to collapse
Ok, now things are clear!

Unable to mount /system and /data while flashing rom.

Hi,
I have installed twrp 3.1..1 recovery. Wanted to update android version to 7 but when I did the advance format from the twrp recovery, its start giving error says unable to mount /data and /system. When I install the rom zip file, at the end it is giving error says Unable to mount /data and /system (invalid argument).
I did googling and tried to find the solution, but problem persist.
Is there any solution and suggestion to get it solved.
Thanks

You need to wipe your internal with ext-4 then the problem is solved

drago198 said:
You need to wipe your internal with ext-4 then the problem is solved
Click to expand...
Click to collapse
Thank You @drago198,
Can you help me little more with the process to wipe internal with ext-4? It'll great help for me.
Thanks

MrAwanish said:
Thank You @drago198,
Can you help me little more with the process to wipe internal with ext-4? It'll great help for me.
Thanks
Click to expand...
Click to collapse
Open recovery (twrp) go into WIPE>FORMAT DATA then type 'YES' to confirm. This will wipe all your data including media such as photos videos music, etc so make sure you have a backup of all your stuff before proceeding. The recovery will then restart. This fixed it for me and is most reliable.
.
.
If this doesn't help then another method is- Wipe>>advanced wipe>> select data and system and select REPAIR OR CHANGE FILE SYSTEM. In there select ext-4 and then repair. Once the process is done your recovery will be working.

drago198 said:
Open recovery (twrp) go into WIPE>FORMAT DATA then type 'YES' to confirm. This will wipe all your data including media such as photos videos music, etc so make sure you have a backup of all your stuff before proceeding. The recovery will then restart. This fixed it for me and is most reliable.
.
.
If this doesn't help then another method is- Wipe>>advanced wipe>> select data and system and select REPAIR OR CHANGE FILE SYSTEM. In there select ext-4 and then repair. Once the process is done your recovery will be working.
Click to expand...
Click to collapse
Thank You,
But I did not find the option to choose ext-4 while Repairing or changing the file system.
Any alternate method would appreciated.
Thanks

Xperia M TWRP İnternal Storage 0 MB Problem!

Hello to everyone. I am using Xperia M and can not mount data, system mount via TWRP Recovery. I also can not load the stock version and kernel with Flashtool. The device goes into recovery mode, is charged and is recognized as a nickname when connected to a PC. I will be glad if you help me.

didyou said:
Hello to everyone. I am using Xperia M and can not mount data, system mount via TWRP Recovery. I also can not load the stock version and kernel with Flashtool. The device goes into recovery mode, is charged and is recognized as a nickname when connected to a PC. I will be glad if you help me.
Click to expand...
Click to collapse
Your device got ebola. There is no solution. Sorry mate.

Use internal storage 0 mb problem in TWRP Recovery. No flashing kernel and roms.

didyou said:
Hello to everyone. I am using Xperia M and can not mount data, system mount via TWRP Recovery. I also can not load the stock version and kernel with Flashtool. The device goes into recovery mode, is charged and is recognized as a nickname when connected to a PC. I will be glad if you help me.
Click to expand...
Click to collapse
i am having same problem . but my internal storage is mounted as android os and my actual storage is not visible please help me.

fix for 0MB internal storage problem
Your device is still recoverable if you can boot into twrp successfully
Go to advanced --> terminal
Check your partition table with
fdisk -l /dev/block/mmcblk0
it will print out the partition table, last 3 should be system, cache and data
format system with ext4, for me that was /dev/mmcblk0p25 - YOURS MAY DIFFER
make_ext4fs /dev/block/mmcblk0p25
format data with ext4, for me that was /dev/mmcblk0p27
make_ext4fs /dev/block/mmcblk0p27
For me, this was met with errors, so format it with exfat first, mkfs.exfat /dev/mmcblk0p27, reboot into recovery, then format with make_ext4fs.
You cannot do this through advanced wipe, because twrp tries to guess your partitions AFTER mounting them, then reads /system is mounted on /dev/block/mmdblk0p25, but it's not mounted, so no repairing/formatting through that. Use the terminal instead, then reboot, twrp will find the partitions then.
afterwards reboot again into recovery. I didn't have to reformat cache, but you may have to. try mkfs.ext2 on that. You will always want to go with make_ext4fs though.
internal storage should show up again now, wiping and installing zips will work again.

rak-zero said:
Your device is still recoverable if you can boot into twrp successfully
Go to advanced --> terminal
Check your partition table with
fdisk -l /dev/block/mmcblk0
it will print out the partition table, last 3 should be system, cache and data
format system with ext4, for me that was /dev/mmcblk0p25 - YOURS MAY DIFFER
make_ext4fs /dev/block/mmcblk0p25
format data with ext4, for me that was /dev/mmcblk0p27
make_ext4fs /dev/block/mmcblk0p27
For me, this was met with errors, so format it with exfat first, mkfs.exfat /dev/mmcblk0p27, reboot into recovery, then format with make_ext4fs.
You cannot do this through advanced wipe, because twrp tries to guess your partitions AFTER mounting them, then reads /system is mounted on /dev/block/mmdblk0p25, but it's not mounted, so no repairing/formatting through that. Use the terminal instead, then reboot, twrp will find the partitions then.
afterwards reboot again into recovery. I didn't have to reformat cache, but you may have to. try mkfs.ext2 on that. You will always want to go with make_ext4fs though.
internal storage should show up again now, wiping and installing zips will work again.
Click to expand...
Click to collapse
Thank you for your message I just saw. I tried, but I still see the internal memory of 0MB when I try to Wipe.
https://imgyukle.com/i/Rk24Gt
https://imgyukle.com/i/Rk264c
https://imgyukle.com/i/Rk2fyR

didyou said:
Thank you for your message I just saw. I tried, but I still see the internal memory of 0MB when I try to Wipe.
Did you reboot after? You can try the advanced format in twrp, maybe you need to use exfat for your partition 27 (data) or ext3 not ext4 for system. Try some combinations.
Which twrp version is installed?
I checked mine and partitions 25 to 27 are formatted with ext4. I have latest twrp 3.0.2.0 and use lineage 14.1. from here.
Partition table looks fine, same sizes as me.
Click to expand...
Click to collapse

rak-zero said:
didyou said:
Thank you for your message I just saw. I tried, but I still see the internal memory of 0MB when I try to Wipe.
Did you reboot after? You can try the advanced format in twrp, maybe you need to use exfat for your partition 27 (data) or ext3 not ext4 for system. Try some combinations.
Which twrp version is installed?
I checked mine and partitions 25 to 27 are formatted with ext4. I have latest twrp 3.0.2.0 and use lineage 14.1. from here.
Partition table looks fine, same sizes as me.
Click to expand...
Click to collapse
I am using TWRP version 3.1.1.0. I tried to make Wipe after it restarted after operations but it still seems to be 0MB. I tried to change the file system, but not through the terminal.
Click to expand...
Click to collapse

file partition

ok it's my fault I am on latest AEX build I encrypt my phone everything works fine but did some crazy stuff change partition of data/cache now every time I boot up a screen popup that data is corrupted even I wipe all partition flash custom ROM several times flash twrp again so I format every partition to ext4.
anyone help me out.

if you want to help me u can go to recovery select wipe then advance wipe then select cache and press repair or change file system do same with system and date and plz tell me which partition have which file system.
thanks in advance.

[solved] finally I download tool all in one from xda then reboot into bootloader there is an option in Tool all in one called erase all data/decrypt internal storage just press it and select ok >you are done.