Questions tagged [rom]
Questions concerning the firmware image (i.e. a system image) for an Android device. See full tag wiki for details.
404
questions
0
votes
0
answers
38
views
Adding prebuilt APK to android system.img (stock firmware from manufacture)
Can someone help add a prebuilt apk to an android system.img for me? I’ve obtained boot.img, system.img, etc. from manufacture of the device. I’ve been trying for hours to add the .apk files to the ...
- 1
1
vote
1
answer
23
views
Do the same phone models with different version have different modem hardware?
Many phones have different variants for different regions: India, China, N.A., Global, etc. Apart from eSIM support and ISP restriction (like AT&T in the US), the supported radio bands are often ...
- 11
1
vote
0
answers
96
views
There aren't executable/binaries inside the folder lib/x86 of Magisk-v26.1.apk file
I'm trying to enable KVM for SM-A600G (Samsung Galaxy A6 with exynos7870). I'm following the tutorial by raspiduino:
At point 7:
Step 7: Download latest Magisk apk and change the .apk extension to ....
- 213
0
votes
0
answers
109
views
How do ROM makers get the newer proprietary blobs?
I would like to have a more up-to-date Android on my ancient device, that currently runs 4.1 (Qualcomm MSM8960). Have already applied all the patches to refresh the kernel with the features needed for ...
- 101
0
votes
0
answers
226
views
How to solve error in SP Flash Tool?
My operating system: Artix Linux
My image fastboot: XIAOMI REDMI NOTE 9 (MERLIN) MIUI V13.0.2.0 ANDROID 12.0 (merlin_global_images_V13.0.2.0.SJOMIXM_20221013.0000.00_12.0_global)
Phone: Xiaomi Redmi ...
1
vote
0
answers
48
views
Which Android version will be preffered for my device?
I am trying to build a custom rom for my device(Lyf flame 7s 2016).
But its hard to choose from which android version should I use? as default it came packed with bloated android 5.1 rom.
Most of my ...
- 11
1
vote
0
answers
596
views
Attempting to extract .img files from a Samsung Rom, how?
So far i have extracted the files out of system.img and cache.img, but the others dont work, they dont seem to be ext4 or something, i tried 2 roms of different phones and tablets, i was able to ...
ZacAttack
3
votes
0
answers
198
views
Unpack/Repack ROM SM-G930S (Samsung S7)
I downloaded the ROM from the link below:
https://drive.google.com/file/d/1TMVVyZTMYMcDA0-aVyMxLo5QvwOK4GWv/view
I use this project to unpack/repack on Ubuntu:
https://github.com/anestisb/android-...
- 31
3
votes
0
answers
84
views
Bluetooth speaker failed back to phone speaker when there's a power status change on a GSI rom
Current Behavior:
When my bluetooth earphone reports a power change to phone, bluetooth disconnect from it and fallback to phone speaker
The problem
Bluetooth speaker failed back to phone speaker when ...
- 31
1
vote
0
answers
441
views
TWRP stuck on splash screen, odin not recognizing phone
I have a Galaxy S5 (T-Mobile).
I recently booted into TWRP (flashed with odin,) and attempted to flash Resurrection Remix with NikGapps using an SD card. Upon reboot RR was stuck on the loading screen,...
1
vote
0
answers
1k
views
How to install an custom ROM for android car head unit?
I'm trying to install a custom rom on my Lenovo D1 head unit but since it doesn't have physical buttons i'm struggling to get my device in to recovery mode.
The reason I'm trying this is my device is ...
- 11
1
vote
0
answers
223
views
Fastboot vs. Adb sideload vs. Custom Recovery?
I have a device that is an A/B device. I want to flash a custom rom I built from scratch. It's been a while for me and Android has changed a lot.
Xda says to always use a custom recovery like TWRP.
...
- 11
1
vote
0
answers
371
views
How do I extract the boot image from my ROM on my phone to modify with magisk? [duplicate]
I am trying to root my phone and I need to extract the boot img from the ROM on my phone preferably using the phone itself. Then I will modify the boot img with magisk.
How can I extract the boot ...
- 31
0
votes
0
answers
503
views
where is the binary for fastboot mode located and How can I get a copy of it?
Edit
Thanks to everyone in the commen section, lk.img seems to be what I was looking for and it is indeed right, because it has strings for varies commands like
oem p2u
oem reboot-recovery
oem off-...
- 129
1
vote
0
answers
80
views
Is it possible to fake the Android version to allow ROM downgrading?
I was trying to downgrade an Android 11 on Samsung Galaxy A01 Cricket (SM-A015AZ), but cannot because the download mode doesn't let me install an older ROM. So the plan is somehow to modify the info ...
- 11
1
vote
0
answers
233
views
Does Heimdall have the option to boot without flashing/substituting the kernel? (like fastboot boot boot.img)
Fastboot has the option fastboot boot Image.gz to boot a kernel without flashing it to the phone. Is there something similar for Heimdall? I did not want to mess with my phone's kernel for now. It's a ...
- 71
0
votes
0
answers
251
views
How to connect over fastboot to Galaxy A50?
I'm on ubuntu 22.04 and I can connect over adb to my Samsung Galaxy A50, and do
adb reboot bootloader
it reboots to bootloader mode, but I can't use fastboot devices, it returns empty.
Other phones ...
- 71
1
vote
0
answers
23
views
I have an old android tablet, how do I update it? [duplicate]
Ice cream OS on an Irulu x10 tablet, is there anyway to update to a new version of OS without cracking open the tablet to look at the CPU/board model numbers for an updated firmware flash?
- 154
0
votes
0
answers
121
views
How to recompile existing Android ROM without certain packages
I want to be able to take any version of Android ROM from any device, decompile it, remove certain packages (browser, Google Play, etc), and then recompile it, just without those packages. So it would ...
- 77
1
vote
0
answers
390
views
How to know which device tree my phone uses?
The boot.img contains lots of device tree files. 15 for my Poco M3. They are all variations of the same name but with some different properties. Anyways, how do I know which one of them my phone picks?...
- 71
1
vote
0
answers
576
views
How can I convert an android rom from 32bit to 64bit?
My phone (Samsung Galaxy A10s) is a little unknown phone and it has few custom roms for it, I want one that is 64bits, arm64 and android 10 or 9, I didn't find any, so I wanted to make one myself, I ...
- 11
1
vote
1
answer
308
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 ...
1
vote
0
answers
1k
views
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 ...
- 981
1
vote
1
answer
755
views
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 ...
- 51
3
votes
0
answers
3k
views
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 ...
- 31
1
vote
0
answers
1k
views
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 ...
- 165
1
vote
0
answers
142
views
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 ...
- 11
1
vote
0
answers
197
views
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 ...
- 11
0
votes
0
answers
69
views
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.
- 1
1
vote
0
answers
378
views
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 ...
- 11
2
votes
0
answers
63
views
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 ...
- 21
1
vote
0
answers
319
views
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 ...
- 11
2
votes
1
answer
188
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?
- 155
1
vote
0
answers
73
views
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 ...
1
vote
0
answers
34
views
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 , ...
- 11
2
votes
1
answer
823
views
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 ...
- 364
3
votes
0
answers
804
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
0
votes
1
answer
128
views
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,
1
vote
0
answers
109
views
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 ...
- 11
2
votes
0
answers
35
views
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 ...
- 21
1
vote
1
answer
295
views
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 &...
- 195
3
votes
0
answers
27
views
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 ...
- 131
5
votes
1
answer
4k
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 ...
- 19k
1
vote
0
answers
295
views
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
│ └─...
- 141
2
votes
0
answers
837
views
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
...
- 141
1
vote
0
answers
945
views
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 ...
- 199
0
votes
1
answer
226
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 ...
0
votes
0
answers
248
views
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:
...
- 195
1
vote
0
answers
35
views
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 ...
- 11
1
vote
0
answers
2k
views
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 ...
