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Questions tagged [rom-flashing]

Flashing is the process of writing a firmware image (and the root file-system) to the memory of an Android device

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Unable to wipe cache and install ROMs on Samsung SM-A720F (A7 2017)

I got a notification for a newer version of Android available for my mobile. So I just downloaded and installed it. Everything was fine until I saw my screen was freezing. Home and back buttons worked ...
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27 views

Could someone have installed a ROM virus on my Xperia XA?

I posted this question over at XDA forum but I hope someone here may be able to help. I recently went on vacation and left my Xperia XA F3111 at home. Someone had access to it for over 2 weeks and ...
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1answer
49 views

Why does Android OS need custom ROMs for OS upgrades?

I have a discontinued LG L5 E455 Android phone that came with Android 4.1.2 OS. I am forced to upgrade the OS because most of the apps I need to install are not compatible with this version of OS, ...
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1answer
25 views

Flash Galay S 3 Mini on Linux

I tried to root my Samsung Galaxy S3 Mini (GT-I8190) to pull the boot.img to flash a custom kernel. However rooting doesn't seem to be that easy for the Galaxy S3 mini. I was recommended to flash a ...
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1answer
77 views

Install Lineage OS on Samsung Galaxy S4 and S5, heimdall problems

I'm trying to install Lineage OS onto my Samsung Galaxy S4 and S5, following the instructions on https://wiki.lineageos.org/devices/jfltexx/install I've successfully installed Lineage to an S4 before,...
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1answer
63 views

Android device load process (preparing flashing)

Standard Android OS load process looks like (from docs): BootROM (starts with 'on' button) Bootloader Kernel init/mounting Zygote+Dalvik VM System services But I have a difficulties ...
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1answer
45 views

Are lower-end phones just as moddable as flagships? [closed]

After a long time in the waiting, I finally have an excuse to upgrade from an iPhone (5s) to an Android. As a tech enthusiast and general superuser, the freedom to do what I want as far as ...
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46 views

Do I have to reboot between flashing ROM, root and Xposed?

I am going to flash a custom ROM, systemless root (Magisk) and Xposed Framwork through TWRP. Can I flash them all sequentially without rebooting, or do I have to reboot the phone between each ...
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1answer
120 views

How the device (that is off) decide how to publish itself for USB: “MediaTek PreLoader USB VCOM port” or “MediaTek USB Port” device?

How the mobile phone (that is off) informs the Windows PC (with installed drivers "MediaTek PreLoader USB VCOM port" and "MediaTek USB Port") how to identify itself: as device - "MediaTek PreLoader ...
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19 views

Blank screen after flashing ROMS but can see adb logs

I flashed my Snapdragon OpenQ 845 board with sdm845 Android images. After rebooting the board my display turned blank but I can see my adb logs. I can can boot my device in fastboot mode. Any idea ...
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1answer
70 views

Flashed BTU from sammobile but is still EVR

I'm trying to flash BTU stock firmware from sammobile for my s9 g960f. I got the firmware from here https://www.sammobile.com/firmwares/galaxy-s9/SM-G960F/BTU/ date: 14/11/18 pda: G960FXXS2BRJ6. I ...
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80 views

How to fix “Preflash validation failed” when flashing stock image from Fastboot? [duplicate]

I recently soft bricked my Motorola G5s plus (sanders), and tried reinstalling the OS from here, but I failed with errors including Permission denied (while wiping partitions), preflash validation ...
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69 views

Can not re-sign Android system app without app crashing (using LineageOS)

I have re-signed all system apps of LineageOS with my own key and have replaced them all before the first boot. LineageOS boots normally but then all re-signed system apps crash with an error like: ...
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91 views

Alcatel One Touch pop C3: How to install TWRP?

The problem I'm having is mainly because all the websites that I've searched are next to impossible to follow. Either links are dead, or something horribly went wrong while translating, so I'm asking ...
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1answer
65 views

Can't reinstall nothing to /system

I tried to update my Xiaomi Mi A2 to Android Pie since yesterday the Beta was Released. At first, I tried to install the official provided one, but after facing some errors, I installed the Treble ...
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1answer
365 views

Flashing Nexus 5 factory image fails on writing userdata

Recently, I purchased a used Nexus 5. I would like perform a full reset, so I’m trying to flash the factory image using Google’s official instructions. However, I keep getting the message FAILED (...
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1answer
223 views

LG V30 - Flash ROM using download mode?

My V30 is soft-bricked because of power-loss during a system update. Verizon would charge me a deductible for fixing it under warranty. I can: - Access recovery - Access factory reset mode - Access ...
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1answer
43 views

Multiple problems with HTC M8S after rom upgrade

I have an old HTC M8S I'm trying to give a new lease on life by getting off the stock ROM. It's an EE (read Orange UK) branded phone. romver: 1.11.61.2 CID: ORANG001 ModelID: 0PKV10000 Project: ...
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106 views

How to make a signed zip file for lenovo to flash in stock recovery?

from my previous thread I came to know that the signed zip file can only be flashed if made by Phone's OEM. Then now how can I bypass it or do some changes in the zip file. Without using custom ...
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63 views

What custom ROMs can I install on my Exanos S7 Edge to keep the camera quality? [closed]

Because the security updates will probably end soon, I am looking for a Custom Rom to install onto my S7 Edge. I am looking for a way to preserve the stock camera quality. Is there a way to do that, ...
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251 views

signing custom OTA update .zip file

We have a kiosk application that needs to be able to periodically do OTA updates using our self-made OTA update .zip files. Our custom OTA update .zip file have the following files: /data/misc/adb/ ...
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117 views

Error Attempting to Flash TWRP onto Moto G6

I am attempting to load LineageOS onto my Moto G6 phone. I have the boot loader unlocked and the phone is rooted. When I try to flash TWRP on my phone per these instructions, I get the following ...
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32 views

Stock rom flash

My Coolpad 3622a 5.1.1 Android is service locked by T-Mobile. Can it be unlocked by flashing the stock rom into the phone? I now live in American Samoa so going to T-Mobile for unlock is out of the ...
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20 views

Does using LG UP to update Android manually cause data loss?

I’m currently having an LG Phoenix 2 (K371) but I don’t have an AT&T sim so I’m planning to update manually from PC to Android. So what I’m asking is: Does LG UP wipe data after updating or not?
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1answer
1k views

TWRP: Failed to mount '/data'

When I try to install a ROM with TWRP, I get Could not mount /data and unable to find crypto footer. Failed to mount '/data' (Invalid argument) Unable to recreate /data/media folder. Updating ...
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47 views

Security - Samsung official service forces ROM reflashing after battery replacement - how can I make sure that the ROM is 100% clean/stock?

I have a Samsung Galaxy S7 whose battery got a little bit worn. I want to replace it under warranty, but I'm a bit reticent because the official Samsung service will also reflash my ROM/firmware/etc, ...
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35 views

Flashed phone wont start!,Why?

[scene] My phone was giving secure boot error:so And it was out of waranty [What I did] I got LG lfino D295,few days ago i flashed stocked its firmware using KDZ.I am sure i used correct firmware ...
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2answers
335 views

OnePlus 5 Soft Brick

I have a OnePlus 5 and it won't boot. The phone is stuck on black screen and blue led (can't boot) since 20 days and I tried everything I saw on the web to make it boot again. I tried : to flash ...
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47 views

How to get rid of malware rootkit?

I wanted to root my tablet and installed a rootkit. Soon thereafter I realized that besides giving me root access, the rootkit was also uploading all my files and settings to some unknown place. To ...
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1answer
8k views

How can I reboot into recovery from fastboot?

I have a phone that is bootlooping after a power failure + battery depletion during system encryption. How it got bricked isn't important here, the trouble is that I can't get into the recovery mode. ...
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235 views

How to Install Stock ROM on S6 Edge after Custom Lineage OS 15.1 ROM?

Hello everyone my first question here. I have flashed my Samsung Galaxy s6 Edge with Custom LineageOS Base Nexus ROM running Android 8.1 Oreo. And my device's model no changed from SM-G925I to SM-...
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63 views

Remote Flash Write Failure (Nexus 5)

Windows won't flash factory images to my Nexus 5 even though the bootloader is unlocked. It keeps on giving me a "Remote Flash Write Failure" error.
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1answer
49 views

Unroot Galaxy Note 5 SM-N902i (XSA Australia) with Heimdall - “System UI has stopped”

I am running a linux machine and trying to unroot my Galaxy Note 5. I've downloaded the lastest firmware from sammobile: N920IDVU4CRG1_N920IXSA4CRG1_XSA.zip which extracts to: boot.img cache.img cm....
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1answer
45 views

DD fails beyond 2GB seek

When I try to use dd to flash images I see some issues when the seek value exceeds 2GB.(i.e. bs * seek >= 2GB). dd bs=512 count=8 if=sample.img of=/dev/block/mmcblk0 seek=4194304 dd: /dev/block/...
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166 views

Android 9 on Huawei Mate 9

Can i flash Android 9 builded from source to Huawe Mate 9? Will it work? After build there are these .img files: cache.img system.img userdata.img vbmeta.img vendor-qemu.img ramdisk.img system-qemu....
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53 views

Micromax-P701 bricked, MT6735

Micromax-P701-MT6735, Deleted All Partiton, also bricked recovery and fastboot, All MTK Drivers are installed but its continues connecting and disconnecting(the device manager is flashing but not ...
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196 views

Lenovo a6000 - Unable to mount /data, /cache, /system. Internal storage showing 0mb

Nothing is working in my phone, Lenovo A6000 Plus. On power on, it is stuck at the lenovo symbol. I am able to run TWRP only after getting command though fastboot boot recovery.img When I try to ...
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20 views

Moto G Falcon read onlypartitions

My Moto G Falcon (XT1033) just rebooted 2 days ago and I got stuck at the installed custom ROM boot animation. And I can't flash any custom ROM nor the Stock ROM via mfastboot. everything is freezed. ...
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96 views

phone stuck in recovery and blank screen

so i have a condor plume L1 the the default rom was full of bloatware every 30 sec i get an add so i used adb to install twrp and wanted to install a custom rom but i had a problem with /data couldnt ...
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352 views

Not able to tick items in SP Flash Tool after selecting scatter .txt file.How to check Boxes?

I download SP Flash Tool And recovery file zip,extracted recovery zip which contain three files: 1)scatter .txt file 2)recovery image file 3)recovery read me file After that i opened tool.exe and ...
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1answer
166 views

What is “flash” partition?

I were going to flash recovery, but this happened: $ fastboot flash flash twrp-3.2.3-x_blu_spark_v8.83_treble-op5_op5t.img Sending 'flash' (28672 KB) OKAY [ 0.675s] Writing 'flash' OKAY [ 0.013s] ...
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194 views

Rooting Huawei P8 Lite with 6.0

I'm trying to root my Huawei P8 Lite with Magisk, flashing the .zip on TWRP. But when I flash it, TWRP gives a lot of errors like failed to mount /data. Internal storage is show as 0mb too, so I don't ...
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1answer
663 views

Rooted Moto Z2 Play seemingly bricked after accidental OTA update. Any chance to save it?

I have had my Z2 Play for half a year, and soon after I got it I unlocked the bootloader with Motorola's official method, installed TWRP, rooted it with Magisk and installed Xposed Framework. I was ...
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1answer
138 views

What is the meaning of “a5ultexx” in terms of phone models?

I have an sm-a500fu 2015 and I've been tinkering with it for the last few months, custom recovery and root. I've found a ROM port for it which I want to install and the latest version is for the ROM ...
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894 views

dload:update partition MBR failed Huawei Honor 3C

I have Huawei Honor 3C H30-U10, It was running fine but some days back when I plugged in charger it restarted and hung up on welcome screen*(no animated logo)*. Seems like I need to install Stock Rom ...
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62 views

Samsung Galaxy Note 4 restarting continuously

My Samsung Galaxy Note 4 has been continuously restarting during or at times right after the welcome screen. I have tried the following steps to sort out this issue: Downloaded Samsung USB driver and ...
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23 views

Cannot register on network even after flashing successfully later

I am dealing with very serious problem with my phone. I was trying to flash stock ROM using fastboot. It failed, and start showing no sim card, empty IMEI, and no wifi either. I am finally able to fix ...
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97 views

Samsung T700 (klimtwifi) WiFi Trouble With ac Routers (RR 5.6.9 MM)

Samsung T700 (klimtwifi) WiFi Trouble With ac Routers (RR 5.6.9 MM) I have a problem with my tablet's wifi and my new router. For some reason RR 6.0.1, ResurrectionRemix-M-v5.6.9-20160602-...
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178 views

Zenfone 4 - A400CG - Hard Brick

I tried to upgrade Zenfone 4 T00I-D A400CG device from WW 6.2.2 to CHT 7.3.4 Bootloader didn't recognized zip file and sideload didn't work. This bricked device: fastboot flash boot boot.img ...
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1k views

Flashing update.zip signed with OEM keys return “failed to verify whole-file signature”

I have an update.zip which include an APK in the system/priv-app/ folder, a boot and shutdown animations and an SSH server among other things. I have the private and public keys of the OEM who sold me ...