Database Users

[Q] I can't install a custom ROM on my rooted Galaxy S5 G900W8

I am having a problem installing a custom ROM... I root the device using CF-Autoroot and Philz Recovery. TIBU confirms the phone is rooted.
I boot into recovery, then try to install a ROM which is on the ext-SD card. I do a full wipe using Philz Recovery.
When I try to restart the phone, I get a bootloop, NO MATTER WHICH ROM I am trying to install. Then I have to go through the hassle of downloading the original firmware using KIES
and start all over again.
Any help or thoughts will be greatly appreciated.

Wipe before flashing
You must do the full wipe before flashing a new ROM, not after (Because if you are wiping /system after flash, you are leaving your device without OS)
And remember, flash gapps after first boot, not after flashing The rom
P.S you can do a full Nandroid Baclup before flashing a new ROM, because if you get stuck in bootloop again, you can simply enter to recovery and restore backup

Thanks for your input, but that's exactly what I did.. except for the backup part.

cannot root, recovery problem, even twrp

hello. i have ale-21 and after i tried install a failed update, i am in this situation:
1. can't root because after flashed recovery for root i can't access in recovery (black screen)
2. even if i flash twrp it can't be able to wipe for error mount.......
i tried reflash vendor 049 and return to b133 firmware but same situation.
is there a way to do a complete re-format phone and repartitioning all (internal memory and all partitions) to return to stock status?
i hope a help
thanks

[Question] How to restore TWRP backup of stock 8.0 ROM, after flashing 8.1 ROM

Before going into the subject, I'll say that I have tried to seach this matter in XDA and Google, but nothing showed up.
Okay, so my matter is that I can't restore my backup of stock rom(8.0) after I flash a 8.1 rom. I've backuped with official TWRP "recovery-3.2.1-2-oreo.img".
My procedures are :
back up stock 8.0(system, data, cache, efs) with official TWRP "recovery-3.2.1-2-oreo.img"
flash oreo rom(with wiping internel, data, system, cache) and boot it fine.
restore my stock backup with same TWRP
boot system
The results are :
Goes past boot logo
Boot animation('android one' with colors sliding) shows up
and... just infinite loop of boot animation.
The ROM I used is RR.
I think the main problem is related with encryption.... Just my thought, tho.
So what I'm asking is :
1. If you face the same problem as me?
2. If you aren't and you restore goes fine, please tell me your procedures including ROM used and TWRP used.
3. Whether it is safe to decrypt stock rom?
Thanks in advance!

You don't need to flash stock ROM again. You have a system image backup(system, data, cache, efs), right? Wipe data , system, cache if you are coming from any other ROM. Then reboot to bootloader. Boot into latest TWRP from Fastboot (don't flash). Then go to restore and restore the system image you had backed up. Don't restore efs if you haven't lost your IMEI.

I've done exactly as ypu told, but it doesn't boot...
Did you manage to restore without problem with your method?

Yes I was able to. No problem here.

What TWRP did you use? Also, what ROM have you flashed?

Used the latest TWRP by MohanCM for Oreo. I did it when I was on Lineage os and wanted to go to stock

@guy_infinity Okay, thanks for your answer! Gonna try out later, once more.

Hmmm.... Still didn't boot up.
I thought I had to do everything from the begining, but flashing stock with save userdata option rescued me.
P.S. does anyone know about the error E: recv error on uevent?

try flashing stock rom using mi flash and after flashing restore normally using latest twrp/deadman's without system image voila everything will be back

@arjunbalan1994 Big thanks for your suggestion! Will try that too later

Hi, did you solve your restore problem? I have the same w/ my Redmi Note 5 and stock Miui backup after flashing RR.
Thanks for your help

I was use 8.1 root and twrp recovery. Yesterday fastboot flash may rom and update 2nd may OTA

Don't understand : May rom is Miui rom?
And did you restore your miui rom 8.0 backup ith twpr after the fastboot flash stock?

SM-T550 not working anymore: bricked? help?

Hi guys, I need your help.
I have a Samsung Galaxy Tab A SM-T550 and I wanted to wipe its content. The tablet was rooted, and it had TWRP as recovery.
I rebooted to recovery and wiped System (probably the guilty), Data, Cache and Dalvik with TWRP, then I pressed "reboot" and it told me "no os installed".
So I tried to flash a custom rom, the JazzROM, but still it's stucked at the logo screen (it restarts itself after 10/15 minutes and then again stucked).
What can I do to solve?
I'm able to access to TWRP.
Thanks!

Ornstein said:
Hi guys, I need your help.
I have a Samsung Galaxy Tab A SM-T550 and I wanted to wipe its content. The tablet was rooted, and it had TWRP as recovery.
I rebooted to recovery and wiped System (probably the guilty), Data, Cache and Dalvik with TWRP, then I pressed "reboot" and it told me "no os installed".
So I tried to flash a custom rom, the JazzROM, but still it's stucked at the logo screen (it restarts itself after 10/15 minutes and then again stucked).
What can I do to solve?
I'm able to access to TWRP.
Thanks!
Click to expand...
Click to collapse
Download and install the stock firmware.
I suggest in future you use TWRP for its intended purpose. Make a full device backup prior to modifying anything.

ashyx said:
Download and install the stock firmware.
I suggest in future you use TWRP for its intended purpose. Make a full device backup prior to modifying anything.
Click to expand...
Click to collapse
Thanks ashyx, I have flashed the one that I found on Sammobile, and now it's working
And yes, you're right about the backup, I forgot to do it

When I wipe up in TWRP on this phone my data becomes encrypted

Hey XDA. I have a question, I just got this phone and I was wondering how to flash properly? On my old phone I would just wipe everything in twrp and flash a new ROM, but when I wipe in twrp on this phone all my files get encrypted including the ROM that I'm trying to flash on this OP6T, any help would be appreciated

TheTrueDarkMist said:
Hey XDA. I have a question, I just got this phone and I was wondering how to flash properly? On my old phone I would just wipe everything in twrp and flash a new ROM, but when I wipe in twrp on this phone all my files get encrypted including the ROM that I'm trying to flash on this OP6T, any help would be appreciated
Click to expand...
Click to collapse
Can't help you with the root but searching does help. Search a guy on YouTube name techibee he had a good video. But one plus has a backup so if you mess up one boot partition you have the other to correct easier. Basically a backup so your phone boots and not bricks

TheTrueDarkMist said:
Hey XDA. I have a question, I just got this phone and I was wondering how to flash properly? On my old phone I would just wipe everything in twrp and flash a new ROM, but when I wipe in twrp on this phone all my files get encrypted including the ROM that I'm trying to flash on this OP6T, any help would be appreciated
Click to expand...
Click to collapse
Boot on twrp
Flash ROM
Flash twrp installer
Reboot to twrp
Factory reset ( DON'T wipe system)
Flash magisk
Reboot to system