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Questions tagged [rom]

Questions concerning the firmware image (i.e. a system image) for an Android device. See full tag wiki for details.

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Patch ROM for comatiblity

I has an custom ROM that supports only kenzo (Xiaomi Redmi Note 3 Pro) device, but how I can patch this ROM for compatiblity to any otheer device? I tried to flash stock aboot, boot, cmnlib, sbl1, ...
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26 views

Why is a vendor blob needed to build an Android ROM?

Why do we need a vendor blob in order to make our custom Android ROM from the AOSP project? As far as I know, the vendor blob contains the required proprietary drivers. But these drivers we could have ...
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How to enable both "diag" and "rndis" port of Android?

I have One Plus Nord device which is rooted using Magisk. I am able to enable the usb tethering(rndis) and capturing modem logs(diag) separately using the libusb program. But the requirement is to ...
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Is it possible to modify stock boot image from Android 11 to allow running Android 12 GSI ROMs?

I am trying to run Android 12 GSI images on a phone with stock Android 11 boot.img. I know that the boot partition is somehow incompatible with the GSI ROMs of Android 12. Would it be possible to ...
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GPT weird partitions, ROM dump problem, MTK phone

I used WWR MTK Tool and SP Flash Tool v5 to dump and analyze preloader and GPT from a new Oukitel K15 Pro phone with Android 11. Oukitel haven't posted the ROM for this model for some reason. Managed ...
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Cloud Mobile Stratus C5 Elite stuck in boot loop due to missing/incompatible ROM

I got a phone Cloud Mobile Stratus C5 Elite stuck in boot loop after 2 days. I'm sure it's the ROM that is missing or incompatible and I have no clue which one is supported. It's running Android 11 Go ...
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How to repack a system.new.dat.br with open source command line tools?

We can decompress a system.new.dat.br and then convert to an img, like this: brotli --decompress system.new.dat.br -o unpacked_system.new.dat sdat2img.py system.transfer.list unpacked_system.new.dat ...
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flash boot.img to use the kernel

why to flash a kernel i need a zipper anykernel 3? i can't flash directly the boot.img of a rom, example (PixelExperience) to have oniichan kernel on (LineageOS)? i'm absolutely new in the world of ...
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I'm unable to repack system.img after extraction

I extracted system.img of my rom using MTK extractor and edited a app then tried to repack but it failed. MTK extractor says system_unpack/file_contexts:No such directory found. Can anyone please tell ...
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upgrade ROM for my asus zenpad 3s tablet [duplicate]

I have this old tablet asus zenpad 3s Z500M running Android 7. I use it for reading and browsing or watching small clips however it become very slow and I am worried that it stopped receiving any ...
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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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Android app installed (with wrong package name) as system app but not visible in system partition

System app Google Calculator update fails, but that's not the funny thing. History I was on crDroid 7.8 (Android 11) with Google Calculator app installed in system through FlameGApps. Then I got the ...
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2 votes
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Is it possible to buy a used Samsung phone with fake/hacked Android ROM that looks like the official one and may spy on you?

I have a used Samsung phone. I wonder if it is possible to have a malicious ROM uploaded that looks like the official one that may allow the hacker to spy on the user. Can I make sure that I have the ...
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1 vote
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Doogee S88 pro Malware + install custom rom

I purchased the Doogee s88 Pro a year ago, and it is the perfect phone for my rugged lifestyle, except of the uncertainty of them installing malware / adware in their devices. I'm trying to install a ...
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1 answer
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`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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Want to install a custom rom (first time)

I want to install custom ROM on My Redmi 7A (pine) And I don't want to flash a recovery instead I want to use the ADB and Fastboot I unlocked my Bootloader. It is Possible? (I am a newbie to this kind ...
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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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1 vote
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twrp recovery installed but it boots to android instead

i wanted to add custom rom to my galaxy j7 max and hence tried installing twrp(3.1.1& 3.2 or what ever) in Odin the task passed but then when i try to boot to it by pressing vol up+ power + home , ...
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1 answer
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Why does GrapheneOS use signify instead of PGP to sign their releases (GPG, cryptographic signatures)?

Why is it that the GrapheneOS (Android ROM) project crypographically signs their releases with signify instead of PGP? The install documentation for GrapheneOS instructs the user to install the ...
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1 vote
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132 views

How to make Private DNS unchangeable?

Are there any way to make android private dns settings unchangeable? I need app locker for android that password-protect private dns activity or class
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1 answer
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Why should I care about ROM size when buying a new 'phone?

RAM is clear enough, but why so many different ROM sizes & how much does a basic user need? Basic == 'phone calls/WhatsApp/SMS/email/light browser use - no games, streaming, videos, music,
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1 vote
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Redmi 8 bootloop

My Redmi 8 phone is in bootloop. It got stuck with its Remi logo and does not start. I am trying to unlock the bootloader but I didn't find a way other than mi unlock which I don't know how to use it ...
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2 votes
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Is there a Boot ROM within other SoCs? [duplicate]

I was researching on methods to try and recover my data and I learned something interesting, a user 'kuruczgyurci' posted: This does not exactly answer the original question, but since I managed to ...
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1 vote
1 answer
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Is there a way to root a Samsung Galaxy S4 running LineageOS 17.1?

Following the "Samsung (System-as-root)"* instructions, I cannot get Magisk to patch lineage-17.1-20210304-nightly-jfltexx-signed.zip for a Samsung Galaxy S4 (SGH-M919). Magisk throws an &...
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How do I get full feature list of Wear OS?

I'm developing a custom version of Android system for a 'Android smart glass' device. I'm trying to customize a new version of Android ROM that suits this type of wearable device. Needs features such ...
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4 votes
1 answer
1k views

Verifying a (custom) ROM signature

Android ROMs and also Android custom ROMs are typically cryptographically signed. Most users will only recognize this if they try to install a ROM and the signature verification on-device fails. For ...
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How are AOSP compiled .img stores in phone flash?

There are the contents of a Xiaomi image for some phone that I downloaded. It is a fastboot image. I think that it means that it can be flashed by fastboot. ├── AP │   ├── APDB_MT6768_S01__W2006 │   └─...
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2 votes
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What is the format for an Android ROM?

I downloaded a ROM for a Xiaomi phone to see what's inside. It's a zip file, that has these inside: boot.img META-INF system.new.dat.br vendor.patch.dat ...
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MT8163 MediaTek chip with SPFT gives this error no matter what I try - BROM ERROR: S_DL_GET_DRAM_SETTING_FAIL

I have a non-brand tablet built with locked bootloader, and I'm trying to flash it with spflashtool. Since it is a proprietary tablet built to be secure, there is no firmware available publicly. I'm ...
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3 votes
0 answers
2k views

Enable USB debugging through recovery mode and ADB sideload

This is a follow up question to this one. Basically, I intend to somehow use this command to remove the lock screen: >adb sideload customROM.zip But, the customROM.zip should be something like ...
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0 votes
1 answer
110 views

Samsung phones bootloader unlock

I have a samsung tablet gt-n8000 and I want to flash a custom rom . Should I first unlock the bootloader? if yes , how to do that ? fastboot commands does not work anyway on my tablet so I can not ...
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Does LTE Band 20 (800) really matter?

I'm looking to import Redmi K30 Ultra, and since it is not available globally (only Chinese ROM), in the specs it is stated it does not support LTE B20(800). My operator provides following coverage: ...
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1 vote
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Is it a viable option to modify ROM image directly instead of compiling?

I have an archive of my stock ROM with partition images inside and I have combined sparsechunks into a single images (this specific because it seems that there are various formats with ambiguous ...
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Help, I Accidentally Corrupted my MediaTek Preloader

Please help me, I have an Ulefone Note 7P and I wanted to upgrade my firmware, so I downloaded the latest of this ROM and I got the SP Flash Tool and followed the guide on that forum. So after loading ...
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1 vote
1 answer
1k views

How can I see the history log of system updates

I need to know the history log of system updates "ROM / OTA updates", is there any file on the device can I know this information?
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1 vote
0 answers
94 views

How can i fix "this rom is for A5ulte, a5ultxx... your phone is" + CUSTOM ROM FOR SM-A500FU ANDROID PIE

I have Resurrection remix 7.1.2 installed on my SM-A500fu and it worked perfectly. I have been using it for some time now till I recently discovered an upgrade of the same custom rom (resurrection ...
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1 vote
1 answer
20k views

Can't boot into recovery or fastboot and not going to EDL completely (Redmi Note 4)

Please read the full text and help me if anything can solve my problem. Also I can't go to Mi help center due to this lockdown, so can you suggest ways the help center person would do to fix this ...
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How to combine ODEX and VDEX files with an APK file?

I have an .apk file, also comes with it two files, one .odex files, another .vdex file. The files were pulled from the /system/app folder of another phone. The files hierarchy on the original system ...
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1 answer
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Samsung S7 speaker phone not working (at all)

My Samsung s7 (SM-G930F) works for making calls on 'normal' (non speaker phone) mode in all apps. but whenever i switch to speaker phone (regardless of the app i am using) the other side (the person I'...
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1 vote
0 answers
1k views

Formatted whole Flash

i perfomed a format whole flash on my leagoo kiicaa android device using SP flashtool, after that i flashed the firmware file on it and it was successful. but the phone would not power on or show any ...
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2 votes
1 answer
17k views

Cannot flash Qualcomm with Stock Image (Lenovo Tab M10 TB-X605L LTE, Android 8 Oreo)

Background I’ve bought a brand new Lenovo Tab M10 TB-X605L LTE. It’s for my grandma, so that she can video-call her great-grandchildren during the Corona crises, and I learned that I require to have ...
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515 views

Install custom system, on unlocked bootloader

I have buy a china device. and i will install custom ROM / system Name of Phone: MYCELL i11 pro ebay: https://www.ebay.com/itm/i11Pro-6-1-8GB-128GB-Smartphone-Android-9-1-Dual-SIM-Mobile-Cell-Phone-...
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2 answers
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How to flash Official ROM on SAMSUNG GALAXY S6 EDGE

I was offered a Samsung Galaxy S6 Edge a few months ago and I discovered over time that applications installed themselves on my phone and performed operations in the background and my ins such as ...
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Unlocked boot loader ADB issue

So I’m trying to downgrade my nexus 6P from Oreo 8.1 to 7.xx. I’ve unlocked the boot loader and can communicate with the device through Google’s adb fast boot command line which works fine (up to a ...
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how to delete system apps from stock rom before flashing in windows

I want to remove apps from stock rom. Tool that I used is "MTK extractor". I unpacked system.img using MTK exractor tool, after unpacking I got "system " folder. One youtube tutorial told me if I ...
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Help me with correct cpu / rom file

I buy a phone from Ebay, i flashed the phone with wrong rom's in Smart Phone Flash Tool. then i flashed the phone i check the Bootloader off. so i don't flash the preloader. I searched around and i ...
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1 answer
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/data/system/packages.xml does not update after install/uninstall of apps. Is that expected?

I am using a android board with a custom ROM based on Android 4.4.2. I was trying to override a /system/priv-app/ app by installing an updated version in normal partition. While testing I realised ...
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2 answers
22k 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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2 votes
1 answer
49 views

How MIUI releases based on different Android versions have same features?

I would like to know how MIUI can provide features on all devices that have the same version of MIUI on it, without the same Android version?
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1 vote
1 answer
182 views

Upgrading a locked Android 4.4.2

I want to try to upgrade my Huawei Y560-U02 Android 4.4.2 to anything newer but it should at least be Android Lollipop. I opened another thread in regards for this phone in order to get the firewall ...
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