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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13 views

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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27 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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Reverse engineering android:key [on hold]

I am somewhat new to android development/porting and I am trying to port some features to a custom ROM. I am currently working on Settings.apk file. The XML of base Settings.apk\res\xml\...
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82 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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49 views

Unpacking and repacking boot.img changes it's file size

So I unpacked boot.img file using unpackbootimg in ubuntu. Then without changing the file I repacked it. But the filesize became smaller. From 36.7 MB to 17 MB. I tried to flash that image to my phone....
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28 views

Where can I modify to make a custom rom allow debug any apk without android:debuggable=“true” in AndroidManifest.xml?

I am try to debug a android app which have integrity check. Then I can not decompile it and change AndroidManifest.xml. And this app do not work in emulator. Therefore, I try to flash a custom ROM ...
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147 views

Rom update for a Samsung galaxy tab 10.1 (GT-P7500)

I have an old Samsung galaxy tab 10.1 (GT-P7500) 3G device which I bought many years ago from a carrier that does not support it anymore. The android version of it is 3.2. Running "system updates" ...
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79 views

What is the proper method to manually odex an apk?

I am looking for a proper and simple method to odex an apk file. I have an upgraded apk file from a ROM with which I want to replace the older one and it is located in the /system-priv directory. The ...
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50 views

Can't boot into system or recovery

I had the Pixel Experience ROM on Redmi Note 7 Pro which got an OTA update and after the update was installed it got stuck on the boot logo of the phone, the usual keys for recovery mode don't work. ...
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83 views

Redmi Note 7 factory reset via PC

I was just trying to flash Lineage OS on my new Redmi Note 7, since MIUI kinda sucks, and it didn't really seem to work. So after a few tries and restarts, my phone started requesting the password for ...
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27 views

How to flash a custom rom solely with a PC

So long story short, I have a old Samsung S Duos. It fall from some height. Its screen is broken. After giving up on it and almost a year after that, I decided to charge it and unlike last (year) time,...
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99 views

How do I install OS in Andriod phone without using fastboot and TWRP?

I've tried to upgrade the rom in MOTO G4 Plus using TWRP version of 3.2.1.0 and during installation process I wiped out the existing android 7.0.1 without backup(understood the cost of backups now). ...
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223 views

Encrypted Storage when booting to LineageOS?

I'm attempting to flash LineageOS 16 to my Moto G(5S) Plus. I found an unofficial rom online and it appears to be installing just fine. However, when booting for the first time, the phone displays the ...
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22 views

Remove all Google-related software from Android? [duplicate]

If I were to buy an Android phone and unlock the bootloader and install my own ROM, to what extent could I produce a ROM that removes all access to Google servers and functionality? For instance I ...
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45 views

Can I Download (Dump) kernel image (and full ROM) on Intel device?

I need to download the ROM from an Intel device, and I can't unlock the bootloader. I know that there are tools to do so on Meditek devices, that let you access the device before it boots to the ...
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27 views

Game Servers and ROM

Are there any ways to change the server of a game without flashing ROM, or to keep the same server after flashing a ROM from a different geolocation?
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23 views

What firmware/model must a Samsung be to have Greek language?

What firmware/ model or an evidence that is easy to check,must a Samsung phone have, before open the box , in order to have Greek Language on it (for interface)? I want to buy a Samsung phone online ...
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722 views

Is there a way to pull stock rom from android using adb and a non-rooted android device?

I know that in a lot of cases adb can be powerful, but adb requires root access under certain circumstances, so my question is, if i wanted to pull my stock rom or firmware from my device, can i do it ...
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45 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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88 views

dmesg unable to enumerate usb device on google nexus 7 2013 wifi version

I installed android file transfer and flashed the ROM of Google Nexus 2013 WIFI tablet by executing the flash-all script command on my macbook pro macOS Mojave. This tablet has issue with usb ...
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221 views

Bootloader/BIOS, flashing ROM and correlated risks. Why Android devices are more brickable than PCs?

I have a solid experience of installing different OS (Linux, Windows,...) on PC. I would like to try just for fun to install Linux on a unbranded Android low cost tablet acquired in 2015. I spent some ...
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51 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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Need to flash Galaxy Tab PRO 10.1 to recover data

Hope you can help with this issue: Samsung Galaxy Tab PRO 10.1 SM-T520 Kitkat 4.4.2 This is my wifes tablet and it recently stopped booting at the second Samsung logo. This is the one that happens ...
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1answer
417 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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116 views

My android isn't recognizing the password to “use the encrypted device memory.”

I've been through a number of steps attempting to save my device data. I previously asked this question. Is it possible to save an encrypted data partition so that I can decrypt it later? I couldn't ...
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121 views

Is there a ROM of Android 8 or higher for the ASUS_X00ID Asus 4 Max?

Does anyone know if there is a ROM of Android 8 or higher for the cellphone Asus 4 Max? If it does not exist, will be an official update for this model of cellphone?
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382 views

Touchwiz and Samsung Cameras and photo quality

This post by cgirerd, on XDA says, All the custom ROMs out there that are not Touchwiz-based don't use the stock camera (and the stock camera can't be installed on them). So, by using ROMs such as ...
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52 views

Is there any limitation on the number of times I install a custom-ROM to my android device?

How many times can I install a custom ROM to my android device? Can I do this an infinite number of times? The word ROM (Read-Only-Memory) makes me think that there must be some limitation to the ...
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50 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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125 views

Insert ROM in PDA file

I have a problem. I am new in the domain of android customization and that is why I am testing. I have a PDA file for my old GT-S6102 Galaxy Y, which contains the following files: boot.img param.lfs ...
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182 views

Dumping a ROM image completely

As you know when we compile SDK or download a stock ROM, it contains some partitions(system,recovery,boot,...). We can unpack this image to partitions with some tools. (or with a simple C code) But ...
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390 views

How to mount userdata_b in stot_a in A/B partition device?

I have a Tissot (mi a1) with TWRP dual booted by separating vendor_a, vendor_b, userdata_a, userdata_b. It is dual booted by cosmicdan's twrp with Resurrection remix ( slot_a) official and Dotos ...
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692 views

Is system apps and pre-installed apps two different concepts?

I recently started learning android ROMs. I have heard system apps with some special (not root) permissions. Is there a difference between system apps and pre-installed app when we build a ROM? I ...
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311 views

Should Factory Reset return the phone to the original version Android installed on it? [duplicate]

I tried factory resetting a Samsung Galaxy S6. To my surprise, it left Android 7.0 on it, and didn't reset it to Android 5, which is what was originally installed from the factory. Is this normal? ...
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30 views

Long wait after flashing

I have a stock image for my tablet, and I am using DragonFace to edit it and PhoenixSuite to flash it. The stock image flashes fine, and after the flash it immediately reboots (I don't have to do ...
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2k views

Erasing boot failed,device may be locked

I am flashing fastboot ROM in my mi A1 using mi flash tools but at the time of flashing it is showing the error:erasing boot failed device may be locked and I am not able to flash the ROM.Why is this ...
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58 views

How to flash stock ROM on numerous android devices?

My company imports phones from many different countries but they need to be flashed with the region specific ROM in order for them to be used here. As we import by the thousands, we are looking for ...
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1k views

Can we install Oppo's ColorOS 5.0 software on Oppo A37F phone which has ColorOS 3.2 ?

https://www.oppo.com/in/coloros/ I am using a older version. So, just like how we flash rom can we flash Oppo's latest ColorOS rom on old Oppo phones? Please mention the steps if we can. Thanks in ...
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1answer
58 views

my micromax a35 bricked when installing custom rom

i asked a question how to install custom rom on my micromax a35 i followed the steps .i reboot into recovery by an app .wipe cache,data,dalvik cache,battery,states and install the zip but my recovery ...
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1answer
182 views

Change ROM Samsumg S7 Edge

I have a Samsung s7 Edge cell phone, I bought it in the US with the Verizon company, I returned to Mexico and I am working with the Telcel company, the model is GS G935V, my question is: I Can install ...
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1answer
51 views

how to install custom rom on mmx bolt a35

I want install the dream xperia a35 custom on my mmx a35. I downloaded the base rom and main rom but how to install them in cwm recovery how to install the base rom and then main rom if base rom can ...
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1k views

HTC one M8 won't flash RUU or unlock Bootloader

I hope u r havin a good day -I just found out that model on the back of the phone is 0P6B100 while it's 0P6B700 in getvar, I found that out after trying all the x.xx.651.x RUUs flashed down below cuz ...
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1answer
1k views

Cheating KNOX by cracking stock ROM certificate

I had some thoughts about KNOX and the fact that flashing stock ROM doesn't trip my KNOX flag. I did some research about the topic and I learned that KNOX checks ROM file's certificate or something ...
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1answer
115 views

How to get a rid from “Warning: Camera failed” error?

I have a Samsung Galaxy J7. It's camera was destroyed by an accident. So everytime I open camera, snapchat etc apps it shows "Warning: Camera failed". For a reason I need my phone to take at least a ...
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568 views

Almost every game crashed on Lineage OS

I've one big problem on my phone. Almost every game crashes on start without any reason. Currently I have only one game which works - Farming simulator 18. Even my game exported from Unity3D isn't ...
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54 views

[Swipe Elite Note]Camera Unable to Focus

I have flashed a custom ROM recently on my device.Everything is working nicely except the camera.The camera used to work perfectly before flashing the ROM.Now,the camera is unable to focus. I think ...
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1answer
77 views

Is it possible to install a ROM on /recovery instead of /system?

I am not going to do it, but I just wonder whether it is possible to install a ROM to /recovery and TWRP to /system, so one would normally boot into TWRP and only boot into Android when one performs ...
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1answer
177 views

System app reverts to original version after device reboot

I have created a custom System.img for my device, I need to put an APK as a system app, and I have places the app within /System/priv-app, app works flawlessly, I can download and install app updates ...
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2answers
503 views

how to check if my OS is not modified (is original)

lets say, someone gave me an android phone ( with custom rom, lets say CM or etx). i did hard reset to erase alll data and usr apps. but i am interested, how to know if that custom rom is not modified ...
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1k views

Canot enter TWRP recovery because of “fastboot erase userdata”

I want to flash a new ROM for my Android phone. I clean data by fastboot erase userdata but after that, I can not enter TWRP recovery because can not mount /data I tried fastboot format userdata ...