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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what to do if no custom rom is found [closed]

My mobile is made by Rivo and model is Rivo RX45. OS version is Kitkat 4.4.2. I want to install custom rom, I would like to install lollipop or jellybean. Or any other rom just for learning purpose. ...
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I installed some other phones flash file into my phone and my phone is not booting neither detected by pc, help me

Just for experiment I installed some other phones flash file into my phone using sp flash tool, flashing that file succeeded, SP flash tool successfully flashed that file into my device... But when I ...
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Does flashing the stock ROM repartition the device internal memory?

After I have repartitioned my tablet I wonder what would happen if I flashed the stock ROM again.
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W/ziparchive Zip: unable to allocate X bites at offset 0 : No space left on device while flashing factory image on angler (Nexus 6P)

I was trying to do flash factory image on angler on my Nexus 6P. There is some No space left on device error: ./flash-all.sh # added set -x to script + fastboot flash bootloader bootloader-angler-...
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55 views

Unable to flash custom ROM using TWRP, successfully installing AOSP extended, rebooting the device. Upon reboot it boots to TWRP instead of ROM

Successfully installed the AOSP Extended image for 'nicklaus'. Whenever I reboot my device to boot my device, instead of booting to the custom ROM my device automatically boot itself into TWRP ...
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How to flash custom or stock ROM with Odin mode working? (from a bad flashed Galaxy A20, see image)

The current state of the device is shown bellow. I prefer using heimdall to flash each partition directly from command line if possible. Unless it is mandatory to put all images inside a tar and flash ...
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89 views

How to create filesystem in TWRP? Getting error: “Unable to format to remove encryption”

The screen appears after booting into TWRP and trying to format memory: I was trying to flash a custom ROM using TWRP recovery but it's showing Unable to mount storage & Failed to mount '/data' (...
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Flashed ROM and changed the Firmware of Samsung Galaxy J600FN but still requires owner's google account

I Flashed ROM and changed the Firmware of Samsung Galaxy J600FN using Odin3 v3.13 with firmware and rom files I downloaded from SamMobile. The old firmware is J600FNXXU6BSK2 same with the new ones I ...
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1answer
23 views

What are the causes of an android phone bricking?

I will try to change a firmware of SAMSUNG Galaxy J600FN with a current firmware of J600FNXXU6BSK2 with a new firmware J600GDXU3ARH5. I am changing the firmware to bypass the FRP because methods like ...
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183 views

How to reset MTK engineering mode to the default settings?

2020.1.11 Renewal Maybe the field of MTK engineering mode is the most mysterious field of the smartphone. It’s like a top-secret. No matter the questions post on anywhere, no one can answer it. Below ...
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TWRP: No OS flashed after flashing LOS 16.0 on Samsung S5

I want to install LOS 16.0 on my Samsung S5 SM-G901F. According to the LOS installation wiki, I did from an ArchLinux OS: installation of TWRP 3.2.3-0 with heimdall wipe -> format data wipe -> ...
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How to create without sparse flashable.img through adb shell?

Created an image of /system/ by the command dd bs=4k conv=sync,noerror if=/dev/block/mmcblk0p21 of=/sdcard/system.img it created a 2.2 GB file when i flashed it by command fastboot -S 500M ...
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SP_Flash_Tool version for MT6589 device

I am trying to flash an ASUS me173x tablet (chipset mediatek MT6589) by using SP_Flash_Tool on linux, but I am facing a problem with the flash tool itself: when I use the 5.1916 version it tells me to ...
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How to flash stock ROM using TWRP on Tecno Spark K7, leaving TWRP intact

What are the right steps of flashing stock ROM using TWRP (Tecno Spark K7, Android 7.0 Nougat, TWRP v3.0.2), and still have TWRP Recovery on the phone, after the process. I already have the phone ...
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301 views

Sahara fail while trying to flash a rom into my phone

I tried to flash a custom rom into my phone but it was an unsuccessful try and I decided to update the TWRP recovery in order to increase my chances to flash a rom. But istead of updating TWRP I ...
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138 views

Phone stuck on bootloop after twrp flash by fastboot

I own a symphony v32 phone (5 1.1 lollipop) with mt6580 chipset. The other day, I downloaded an unofficial version of twrp recovery from https://unofficialtwrp.com/twrp-3-2-3-mt6580/ I did exactly ...
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LineageOS / bardockpro / recent LineageOS installation package do not work

I have been happily using and occasionally upgrading a bardockpro device for many months. However, in summer 2019 the device stopped booting into upgrades that were released after July. The most ...
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35 views

Please help with Stock/Custom Rom for Bluboo s8a

I was trying to root bluboo s8a with TWRP following this tutorial When I reached step 2 of installing the ROM with sp flash tools, the ROM installed up to the end but the phone stopped powering (doesn'...
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moto xt1920-15 repeatedly goes to “To start android, Enter Pin”

No matter what I try it always returns to the same screen "To Start Android Enter Code/Pin?" Fastboot will not detect device and all correct drivers are in place but when ...
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330 views

TWRP: Could not mount /data (even after format data / change file system)

I'm trying to root a Vernee M5. I installed TWRP - which worked - and tried to use it to install Magisk - which didn't work (my guess is because of encryption?). Now the phone always boots into ...
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how to extend support for EXT4 file system for microSD cards in stock or non lineage / CyanogenMod ROMS

As I am aware after Android 4.4 or some sort your storage card is no longer eXposed directly and needs to be carefully interfaced through specific Mount points that need to be aware through vold ...
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75 views

How to make `adb reboot` work like `/system/bin/reboot`?

I have a problem with my device. When I do adb reboot then it stuck on boot in a loop. But, when I do adb shell and then reboot, it works fine. I searched over the internet and understand that both ...
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LG G4 can't fastboot/reboot bootloader

Ola! I'm playing with a LG G4-H815. When using adb reboot bootloader, the phone just boot on normal mode. When doing the Volume Up + Power button thing, I manage to land on Download Mode but nothing ...
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Bricked Honor 9 - No Os, No recovery

I messed up with everything. The only thing that works it's fastboot, I can still flash .img but when I reboot it get stucked on bootloader and can't enter neither recovery or system(Just erecovery ...
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131 views

How to capture kernel panic logs when ROM failed to flash?

Background: Stuck in boot-loop when unpack and pack system.img? Short Description: I am trying to modify the system partition of my Samsung S10 5G system-as-root treble device. I have successfully ...
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30 views

Using a keyboard to send Volume Up signal to confirm flash on device without volume rocker?

Background I have a tablet that I am trying to fastboot flash a custom ROM on. The problem is this tablet has no volume rocker. In order to flash, fastboot requires you to press volume on the device ...
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How to “fastboot flashing unlock” when device has no volume rocker?

I have a android tablet that has no volume buttons, but has an unlocked OEM bootloader. I'm trying to flash a new rom, and after I run fastboot flashing unlock I am presented with a prompt that asks ...
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147 views

Fastboot stuck on sending system

I feel my old mobile with android 2 or 3 got bricked as it get stuck on boot logo each time but I can easily got into fastboot mode but in fastboot mode I can complete following commands like: ...
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368 views

How to disable dm-verity on `Treble` , `system-as-root` device?

Background: Please check following links How to disable dm-verity on Android with “user” build type ROM? Stuck in boot-loop when unpack and pack system.img? Update: So, I am trying to disable dm-...
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1k views

TWRP ask for password - cant mount data partition

I want to install an open ROM like AospExtended on a new Xiaomi Redmi Note 5 with stock MUI. To avoid issues with Xiaomi's anti rollback mechanism, I'd like to boot TWRP then copy its image and ...
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382 views

Stuck in boot-loop when unpack and pack `system.img`?

Background: I have a treble and system-as-root but it is not an A/B Samsung device. I am trying to modify the system.img. Before that, I have rooted it with the steps given here. After following these ...
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180 views

Can I flash Android on device with overwritten mmcblk0?

Can Android device with fully overwritten /dev/mmcblk0 (without /dev/mmcblk0p* partitions) be still flashed using fastboot? Is it true that overwriting /dev/mmcblk0 does not remove /dev/mmcblk0boot* ...
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363 views

How to patch `system.img` using MagiskManager patch feature to root the device?

I have a treble and system-as-root but it is not an A/B device. I have rooted it with the help of the MagiskManager patch feature. My understanding is: MagiskManager has modified the following three ...
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217 views

init: cannot execve('/system/bin/custom.sh'): Permission denied

I have a rooted system-as-root Samsung Device and I am trying to run an init service which runs custom.sh script using u:r:su:s0 SELinux context. # define service, use executable here if script not ...
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203 views

How to make SELinux permissive with `systemless-root` on a `system-as-root device`?

I have a Samsung S10 5G device that is actually a system-as-root device. I have rooted it by following the instructions given here. As the system-as-root devices have no ramdisk in boot.img but in ...
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1answer
398 views

How to boot system-as-root device always as rooted?

I have a Samsung S10 5G device that is actually a system-as-root device. I have rooted it by following the instructions given here. As the system-as-root devices have no ramdisk in boot.img but in ...
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227 views

system.new.dat vs system.img

Trying to find help in restoring my OnePlus One to factory state, I found quite a number of websites that have step-by-step instructions. I'm trying to use fastboot to flash this. Because that ...
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1answer
215 views

Phone still stuck in a bootloop after flashing official firmware with Odin!

I successfully flashed a stock ROM on my Galaxy Note 4 using Odin 3.13.1 but, unfortunatelly, the bootloop is not gone. Device info: SM-N910C unrooted Android 6.0.1 Marshmallow Bootloop sequence: ...
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How do I find the CSC code of a device in a bootloop?

I have a bootlooped SM-N910C device (Samsung Note4). I need to know the CSC code so that I download the firmware that will not erase my personal data. How do I find the CSC code in this scenario?
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3k views

How to fix: only official released binaries are allowed to be flashed(recovery) on device / FAIL! (Auth) on Odin3 v3.13?

I have Samsung S10 5G(Qualcomm) device. This device has unlocked bootloader but it is not rooted yet. I am trying to learn Unpack-Modify-Pack the ROM images. Currently, I have VZW stock ROM ...
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Is ROM of both P60 & P70 variant of Realme 3 same?

Realme 3 (a device by oppo) is available in the market in two variants - with Mediatek P60 and Mediatek P70 chipsets.Global variant comes with P60 and Indian variant comes with P70 Model no of P60 is ...
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104 views

Is it possible to fix hard bricked device?

I'm working in electronic repair store as technician and I started 4-5 years ago but something really bothers me . Why we can't fix hard bricked devices ? Like device's hardware completely fine . Is ...
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62 views

Zenfone 5 a501cg soft bricked - can't mount /system /cache

I have a zenfone 5 which used to run on custom rom so i decided to revert it back to stock rom but when i wiped system cache and dalvik, it didn't go well and now i cannot start phone unless going ...
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Is Multi-Boot Possible in Android?

Can you replace the bootloader of Android to create a UEFI-like environment where you can Multi-boot into another Operating System? I've seen several off-brand phones do this but I'm unsure how they ...
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What to do if I suspect my device is compromised?

I recently bought a Pixel 2 XL "open box" off eBay. The device appears slightly used, and a couple of days after registering with my Google account, I received security notifications of attempted ...
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Samsung update step by step

My phone samsung s7 edge (g935f) is running on android 6.0. And the latest update from samsung is 8.0. Can i flash directly 8.0 (Skip 7.0) or first I have to flash 7.0 then 8.0. I am confused that it ...
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155 views

Failed to flash Android 10 GSI on Xiaomi Mi 9

I followed this codelab and this documentation on how to flash GSI, but now the phone is stuck in fastboot. I have tried to use TWRP, but it's the same result. And I also tried to follow this document ...
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64 views

Encryption failed after turning my android phone on

when i turn on my phone it shows "Encryption failed" and "Unable to start up your device. the encryption process was interrupted. you need to reset your device to factory default setting. this will ...
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1answer
62 views

Android (Galaxy Tab 6) Will not reboot to bootloader

Im hoping someone can point me in the right direction. So I am in the process of attempting to unlock the bootloader on my Galaxy Tab 6. However, the device will not boot to the bootloader. I can use ...
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1answer
57 views

How safe is it to build and flash LineageOS myself?

I was planning to flash LineageOS on my Asus Zenfone 2 Laser, but I recently found out it is no longer supported on my phone. However, this guide explains how to build then flash the ROM on my device (...

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