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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Why do I get the error "Preflash Validation Failed" when trying to install a ROM on my Moto G8 Power?

I was trying to install an Android 12 GSI with Fastboot, but whenever I try to install the system.img, it always fails with the error: (bootloader) Preflash validation failed FAILED (remote failure) ...
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Converting images to ext4 format and back creates bad flash file

I am trying to create a Rockchip custom ROM by getting an existing custom ROM, unpackaging it, making small modifications, then packaging it back up again. There is a problem with me converting the ...
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GSI-GMS image bootloop, non-GMS works fine

Flashing the ARM64 version (Android 11 or 12) from here works fine on my Blackview BL6000 Pro. However, flashing any ARM64+GMS only boots into the bootloader (not fastbootd). In general, how would one ...
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Can I safely use RealMe phone after rooting and reflashing it?

My concern is with buying Chinese made smartphones because I've red articles that say spyware has been found preinstalled on some Chinese made devices. Do you think that rooting and flashing those ...
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Having trouble flashing an Asus Zenfone 5 Lite (ZC600KL, X017DA)

When turning on Asus Zenfone 5 Lite, it was stuck on the Asus Logo and would not go any further. I have tried the normal attempts to get it working again by hardware keys into recovery/factory reset, ...
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I'm looking for the scatter file for MT6771v/c [closed]

I'm looking to flash a stock ROM onto my phone but the SP Flash tool says it's invalid. My phone's chip is MT6771V/C. My phone is currently on Android 10. The internet (this link, for example) has ...
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1answer
74 views

How to install GSI on Samsung Galaxy Tab Active3

I am trying to flash an Android 12 GSI onto my Samsung Galaxy Tab Active3. Goal is to install the GSI without root / voiding the warranty. My company produces an app which is primarily used on Android ...
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1answer
26 views

I connected my phone with usb debugging to an infected computer

I have a computer that used to have malware. During the time it had malware, I connected my phone to it with usb debugging (was unaware of the malware). I have no signs of malware but I'm still ...
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Is it possible flash recovery partition through init.rc script on boot

a year ago a I had installed a custom recovery on my Lenovo S5000-F and it caused a bootloop and I lost the recovery, fastboot is working fine but it only allow me flash boot, system, userdata and ...
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Extracting ROM from android phone, how does flashing work?

For a project, I need to get the ROM of a specific android device. I cannot find it online(obscure manufacturer, makes mostly PDA's), so I have to extract it myself. I've seen ways of doing this using ...
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Failed to mount '/preload' (Invalid argument)

GOOD DAY!! I am having problem help me. Whenever I flash ROM using twrp it says Failed to mount '/preload' (Invalid argument). and when i tried flashing custom rom using odin, after flashing during ...
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1answer
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I can enter recovery but not sideload, and fastboot does not recognize the device

I have a shieldtablet which was working fine, until I decided to encrypt the drive. The process completed, the device rebooted, and it's stuck in a reboot loop. Neither Linux/Windows recognize it when ...
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Rebuilt super partition won't boot

I'm trying to customize an Android 11 super partition, removing certain apps. I used https://forum.xda-developers.com/t/guide-ota-tools-lpunpack.4041843/ to unpack the super partition, mounted them as ...
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rom on Xperia E4g instead of E1

Im trying to install lineage os in Xperia E4g E2003 but I can't find It. I want to flash and E1 rom but im not sure if It Is going to work.
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How to PreRunning preloading pretesting custom/stock ROM in android virtual machine on mobile device

Question How to PreRunning preloading pretesting custom/stock ROM in android virtual machine on mobile device I Have many custom android custom rom (android 6,7,8,9,10,11) availabale for my device ...
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1answer
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Flash ROM of Samsung Tab A6 (SM-T585)

I have Samsung Tab A6 (SM-T585) running Android 8.0 Oreo. It has a Knox application which limits a lot of features on my device. I need to get rid of it, flash a new ROM, and get everything back to ...
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How to install TWRP on to Huawei P9 Eva-l09

Hi does anyone have experience installing TWRP on a Huawei P9 Eva-l09, ive FRP locked my phone on factory reset and don't know the old account, i've unlocked the bootloader but when I run the command ...
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1answer
203 views

/system/etc/ld.config.version_identifier.txt not found and how to check for VNDK compliancy

I need to flash using a Generic System Image (GSI) but when I'm checking if my device is Vendor Native Development Kit (VNDK) complaint as per the documentation here https://developer.android.com/...
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Installing Android 7.0 on Nexus 7 2013. Is it SAFE?

Too many of my apps are no longer functional on Android 6. Is it safe to install the unofficial version 7 ROM? I don't want to risk bricking my tablet. Thanks for advice.
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1answer
54 views

`UPDATE.APP` file in Huawei firmwares

I found an UPDATE.APP file inside of TRT-LX2 firmware ZIP (ROM), but I want to know what does the file do? What does it contain?
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1answer
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Error with `adb sideload`when trying to install Android 12 in recovery mode

According to Google's "Get Android 12" guide, The easiest way to get Android 12 Beta on a Google Pixel device is to enroll your device in the Android Beta for Pixel program. but also ...
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1answer
39 views

Does the bootloader reset after removing the battery?

After successfully flashing a modern custom ROM on my old phone, I tried doing the same with my girlfriend's old Lenovo Vibe P1m. However, after mistakenly pulling out the USB cable at the worst time ...
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How do I upgrade my Alcatel Idol 4s (6070O) from Android 6.0.1 to a newer firmware? [duplicate]

I have an old Alcatel Idol 4s laying around which is on Android 6.0.1 and I was wondering if there's any way to upgrade it to Android 7 or 8? I tried every single method I could find but no luck. ...
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1answer
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Gapps stuck at "Mounting partitions" while installing via TWRP

I'm trying to install LineageOS on my Moto E4. I've been able to successfully sideload the custom ROM and boot into Lineage, but I can't install Gapps. Specifically, after sideloading LOS, I sideload ...
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Checking if my second hand Android phone is safe: am I right?

First of all, I know that this question has been asked before, but I'd like to hear if the way I'm checking my "new" phone is safe. I know I'm probably overthinking things, but I just would ...
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240 views

Could not do normal boot. Invalid kernel

I actually don't know what happened to my dad's phone but I cannot get pass the Samsung logo. It shows a text in red saying Could not do normal boot. INVALID KERNEL. I downloaded a new firmware from ...
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1answer
231 views

Device Unable to Boot, Error - mdtp image is corrupted

I am trying to install a custom on my Xiaomi Mi A2 Lite (first timer). However, I am facing a difficulty as my phone is showing me the error "Device Unable to Boot, Error - mdtp image is ...
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How do I extract the Linux kernel from a vendor Android 4.2 installation?

I have an Asus Transformer AiO P1801-T. There seems to be very little information online about it. I am trying to get the kernel off of the device so I can install postmarketOS. Asus has the source ...
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My model is G9xxxN, and if I download G9xxxf Stock rom , what would happen? BTW my phone is s10

If I download a different model stock ROM in my phone, what will happen? My model is G9xxxN, and if I download G9xxxf, what would happen? BTW my phone is s10 I have g973n but I didn't have any carrier ...
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Android SM-A01F5 Stuck on boot loader

after attempting to flash the device using Odin3 I've got an issue. got a Samsung SM-A01F5 Device which has the following issues: Can't enter Download Mode Can't use FastBoot to flash the device ...
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1k views

How to root Gabb Wireless Z2?

I have a Gabb Wireless which is an Android that is programmed to be "dumb". By "dumb", I mean it only has core apps such as Settings, Phone, Messaging, etc. I like it because it is ...
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Redmi Note 5 Pro - unable to flash TWRP

I am trying to flash the LineageOS on my Redmi Note 5 Pro (whyred). Initially, I used Windows 10 for the Xiaomi Unlock Tool. However, the Xiaomi Unlock Tool did not detect my device. So, I used this ...
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2answers
4k views

Write to device failed (no link / unknown error / too many links)

I am trying to flash twrp to my ZTE Axon 7 but until now I just keep getting errors every time I try to flash something. Device is already wiped and bootloader unlocked. I am in fastboot mode, I also ...
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Redmi note 3 showing enter code to unlock. After successive reboot

Redmi note 3 asking for password after successive rebooting the phone and i couldnt enable the password or any locking mathod in phone. After rebooting the screen gets more brighter and this massage ...
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Flashing without a firmware

I received a second handed tablet recently, but it came with a custom formware that had some problems. I proceeded to remove it and flashed the stock one but came across two problems. If I try with ...
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Wifi, mobile data, bluetooth isn't working after flashing stock rom

So I have an Asus ROG phone 2 device which was stuck into boot loop before. To get rid of that situation, I flashed the stock rom, and wiped user data by going to recovery mode. But for some reason, ...
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Is it possible to install Android Gingerbread on a Galaxy Nexus?

I have an old Samsung Galaxy Nexus from years ago and I was wondering whether it's possible to flash an older Android version like Gingerbread on it using a custom ROM. Since it was originally ...
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41 views

How to flash Huawei P30 firmware via PC?

I need info on how to flash Huawei P30 rom without sd card via PC. Please help.
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685 views

How to fix Huawei P30 "Getting Package info Failed Error"?

I am trying to fix my Huawei P30 (Android 10) which gets stuck in recovery mode. I tried to fix it by using eRecovery but I get the error "Get Package info failed". Around the internet, I ...
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910 views

Redmi Note 8 Pro flatly refuses to boot into TWRP

Before we start, just want to make it clear that I am aware how easy it is to brick this device, and have decided to go ahead rooting and installing a custom ROM anyway. My goal currently is to use ...
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125 views

Cannot Flash TWRP to Pixel 5

I am having trouble flashing TWRP to my Pixel 5. The error message I get is Not allowed to flash (recovery). When I try looking up the answer, it says the bootloader isn't unlocked. Yet... it is. ...
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Can I downgrade my Nexus One from Android 2.3.6 (Gingerbread) to Android 2.2 (Froyo)? [duplicate]

So I was wondering whether it's possible to downgrade my old Nexus One which is currently on gingerbread back to Froyo. If so, how do I go about this? I don't know much about downgrading on Android, ...
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27 views

Samsung Galaxy S3 stuck at Samsung Logo after custom rom

I had this Samsung Galaxy S3 with Android 4.3. Since Youtube didn't open as it required an update but the play store said it is up to date(i usually use it to watch youtube), I planned to install ...
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Is it possible to unbrick an Allwinner Adroid tablet?

A few months ago I got my hands on a cheap allwinner tablet. I wanted to experiment with running linux on it, but in the process of my experimentation I (stupidly) deleted/overwrote both the /boot and ...
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Smasung Galaxy A51 stuck in bootloop, recognized by adb, not responding to adb commands

I have a Samsung Galaxy A51 that is stuck in a Boot-loop. Phone was originally water damaged, but worked until my Dad tried to charge it. I replaced the inside part of the phone with the USB port. ...
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1answer
145 views

How to reflash Htc Desire 628 properly?

I tried to reflash my Htc Desire 628 using fastboot, but got following log: PS D:\platform-tools> fastboot oem rebootRUU OKAY [ 0.042s] Finished. Total time: 0.043s PS D:\platform-tools> ...
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1answer
37 views

Nexus 7 2013 WiFi (flo) freezes and/or bootloops when booting TWRP

I unlocked my Nexus 7 2013 WiFi (flo)'s bootloader and flashed the latest TWRP (3.5.1_9-0 at the time of writing), but now it freezes on the boot/splash screen and reboots after waiting. I can use adb ...
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77 views

Htc desire 628 bootloop in recovery mode after flashing TWRP

I flashed my phone with twrp, tried to enter recovery mode through the bootloader, but now it's on endless boot, how can I fix that? In download mode: hTC download mode *** UNLOCKED *** ...
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Emdoor EM TS809 Dead Boot - KCOLO point wanted to revive

Flashing with a bad firmware to this tablet became completely unresponsive and does not switch on. M/B marks report that is created from Emdoor and its model is EM TS809. https://www.globalsources.com/...
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105 views

Android tablet, how to disable kiosk mode or install new firmware

I am new to the android programming world. I own an iQR70 device from MLS that is using -if I read well- the kiosk mode for its own application called MAIC (something like Amazon's Alexa a virtual ...

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