GSI ROM? - Moto G Power Questions & Answers

Has anyone tried GSI ROMs on Moto G Power 2020 (Sofia)? It seems like people have tried them with Moto G Power 2021 with some success but not sure they are suitable as a daily driver yet. I would appreciate any feedback on your experiences.

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Surnia and Osprey similarities - Basebands, Kernels, ROMs

I'm wondering if the similarities between Surnia and Osprey will allow us to benefit from the work that Motorola is doing to bring Marshmallow to the Moto G 2015? It looks like a Marshmallow soak test was just started for the Moto G 2015 (Droid Life 11/4/2015), and it is rumored to have LTE band 12 support enabled, which would imply that VoLTE is also supported. I think it's very likely that in order for VoLTE to work it would need specific support for it in the baseband software. I have read that there are other SD410 phones that support VoLTE, so at this point it just seems like we have an issue where decent hardware is being held back by poor software from Motorola. Since it seems like Motorola has decided to abandon us, hopefully the XDA community will be able to step up and fill in some of these gaps in functionality. Here are a few questions that I have about the similarities between these two devices.
Are Surnia and Osprey similar enough that Surnia can run Osprey baseband software? Has anybody heard of any attempts to flash an Osprey baseband on Surnia? Would this be limited only because of code signing issues and not hardware limitations?
Surnia and Osprey use very similar kernels, so would this also make it easier to port anything related to VoLTE from the stock Osprey kernel back to Surnia?
When the stock Marshmallow update for Osprey is released would the similarities between the two phones make it more likely that somebody would be able to port it to Surnia?
Any thoughts on this?
I saw ROMs for Osprey that are based on Surnia's device tree, so why not? I don't think flashing a Osprey ROM on surnia will work, but what about flashing it with a Surnia kernel? I'll try it, can simply solve a bootloop!
Tried that, caused bootloop, but while downloading a backup ROM, I suddenly saw this:
It looks like Surnia and Osprey probably have different sized /system partitions. I tried flashing this http://forum.xda-developers.com/2015-moto-g/orig-development/caf-6-0-osprey-t3229378 and when it was verifying /system it gave an error message. I next flashed the squid2 kernel and it just bootlooped.

Flashing ROM's for other devices

What are the chances of a custom ROM built for another device will work on a Moto Edge+? Does Android have a good pool of default drivers for current phone hardware like Windows or Ubuntu does or are we still a long way away from that?
Not sure about custom roms for other devices but the Moto Edge+ is Treble/GSI compatible. So you could always flash one of those, no guarantees though. I don't think anyone's tried one yet. I suggest waiting till December when the official Android 11 update for burton comes out.
Any news on roms
Are any new roms under development ?
I am about to buy this phone from bestbuy. Has anyone tried gsi roms on here? If its anything like
the stylus It will be a breeze. Currently running caos android 11 with Magisk 21.1 on the stylus.

Custom ROMSs Vs GSI

I just got a Moto G Power, replacing a UMIDIGI Power 3(don't ask). I'm currently on the stock ROM and rooted.
I'm hoping to move to a custom ROM.. Can someone let me know which custom ROM is the most stable and consistently updated? Looking for one that is kept security patch updated.
Also, has anyone tried to flash a GSI?
I can try all of these myself, just trying learn by shortcut.
smvsmv said:
I just got a Moto G Power, replacing a UMIDIGI Power 3(don't ask). I'm currently on the stock ROM and rooted.
I'm hoping to move to a custom ROM.. Can someone let me know which custom ROM is the most stable and consistently updated? Looking for one that is kept security patch updated.
Also, has anyone tried to flash a GSI?
I can try all of these myself, just trying learn by shortcut.
Click to expand...
Click to collapse
I've tested a couple of times out on here which were the OmniRom and the Pixel experience. I like certain features on the Pixel experience but I think Omnirom is a bit more stable and things work better on Omnirom. I'm currently on Pixel Experience which has a few notable problems such as that I get a camera error on PE and the Bluetooth won't connect to my speakers on PE. But I like the ringtones and notification sounds better on PE. Don't get me wrong. The PE is still a usable rom though.
I tried OmniRom, Havoc, RRMix and Erfan Generic Gsi(This one was Android 11). Decided to stick to Havoc as I like customization and Havoc is next to RRMix in this. RRMix would have been my choice but I was unable to install Viper4Android successfully and hence had to settle down with the next best (Havoc with November 5 Security patch). All of them were otherwise stable. Omni was on March Security Patch if I remember right. Can't say about the update frequency as It's just over 3 weeks for me. Have fun!!.
havoc seems to be the only rom that's up to date with security patches. that's what I'm running.
Havoc. It just works and can be beautiful.

Question Custom ROM for Moto G Power (2021)

Hi guys,
I am forced to upgrade my moto G5 plus due to a network update
In my moto G5 plus I have installed dotOS with android 11 and I am really happy with it, and I would like "clone" it on a Moto G Power.
Here are some questions:
1) since Moto G Power (2021) is not listed on dotOS but a GSI ARM64 available, has anyone experienced with that? I am also open to other custom ROMS (also Lineage OS doesnt have this devicelisted)
2) I also noticed that TWRP is not available for Moto G Power (2021), is there a good alternative or I have to use adb fastboot?
Thanks!
Edit:
I just found the thread:
[RECOVERY][UNOFFICIAL] TWRP 3.6.0-11 [BORNEO] Android 11 Based (updated 12/11/2021)
I can try that for question 2
Efone said:
Hi guys,
I am forced to upgrade my moto G5 plus due to a network update
In my moto G5 plus I have installed dotOS with android 11 and I am really happy with it, and I would like "clone" it on a Moto G Power.
Here are some questions:
1) since Moto G Power (2021) is not listed on dotOS but a GSI ARM64 available, has anyone experienced with that? I am also open to other custom ROMS (also Lineage OS doesnt have this devicelisted)
Click to expand...
Click to collapse
Presently I don't believe it is possible to have a custom rom as we need the kernel be released for it to have a chance, or a compatible similar device and its kernel.
Hi Onoitsu and thank you for the reply,
so I guess I could go with the stock ROM. I noticed that I can use https://mirrors.lolinet.com/firmware/moto/borneo/ has an official and blankflash (not sure what the difference is). If I understand the process correctly I could:
1) unlock bootloader
2) flash twrp in recovery
3) flash blankflash.zip (or official?) through twrp
4) flash magisk through twrp
5) restore my old phone dotOS android 11 backup through twrp
and I should have all the apps and data as in the old device?
Efone said:
Hi Onoitsu and thank you for the reply,
so I guess I could go with the stock ROM. I noticed that I can use https://mirrors.lolinet.com/firmware/moto/borneo/ has an official and blankflash (not sure what the difference is). If I understand the process correctly I could:
Click to expand...
Click to collapse
The blankflash is only if you can no longer flash anything by usual methods
Blankflash and EDL Mode
Is my device in EDL Mode?
How to boot into EDL Mode
Thanks for the info!
Should the reasoning above work if I use official instead of blankflash?
Efone said:
3) flash blankflash.zip (or official?) through twrp
Click to expand...
Click to collapse
Neither the blank flash nor official firmware are twrp compatible.
Thanks sd_shadow for the info, it is really helping me out.
I saw your post for using LSMA, but I couldnt find a Linux version. Is there one? Or the only other option I have is going through the fastboot process?
Can anyone tell me if there is going to be custom roms made for Borneo?
Hatrackman said:
Can anyone tell me if there is going to be custom roms made for Borneo?
Click to expand...
Click to collapse
Still the reason I cite in post 2 above, indeterminate, sadly.
Onoitsu2 said:
Still the reason I cite in post 2 above, indeterminate, sadly.
Click to expand...
Click to collapse
Mostly concerned because google has said they're going to stop their 'less secure app' thing at the end of this month and it might mean textnow will stop working outright for people that don't use play services.
Hopefully anyone working on making a custom rom for Borneo will see this thread and maybe give an idea if its going to happen.
Does this help?
If I wanted to start from scratch what would I need to know to make my own custom rom? Don't need a phone, will only ever use wifi. Just need microg basically.
The following statement is on the dotOS FAQs:
Q: My device is not supported! What should I do?!​A: First reason can be that our development team doesn't have your device to support it or we no maintainer applied for this device. You can always use our GSI builds if your phone supports Treble Project.
Here we have this statement:
... Google requires every Certified Android device launching with Android 8.0 Oreo and above to support Treble.
Here borneo is listed as a supported device.
Does this mean dotOS GSI supports MotoGPower 2021 without the need of vendor blobs?
Onoitsu2 said:
Presently I don't believe it is possible to have a custom rom as we need the kernel be released for it to have a chance, or a compatible similar device and its kernel.
Click to expand...
Click to collapse
@sd_shadow
Two sites that potential rom developers may want to check out:
1) https://github.com/moto-common
check out: https://github.com/moto-common/andr...ernel/blob/12/dtb/bengal-moto-base-borneo.dtb
2) https://github.com/moto-sm6115
Scroll through the list of repositories, particularly in the moto-common site
@sdembiske that looks promising, I am willing to give it a shot and contribute to the community. Is there a good guide on how to build the kernel with vendor tree/blobs etc...?
Reference "Moto G Power 2021 XT2117-4 Firmware Extractions" - You will find the extracted kernel etc. in the boot.img extracted link that you can download - there are many other extractions that you hopefully can use to build a custom or AOSP rom.
Your best bet would be to add a pre-built kernel in the build - you can google that for how-to's.
Onoitsu2 said:
Presently I don't believe it is possible to have a custom rom as we need the kernel be released for it to have a chance, or a compatible similar device and its kernel.
Click to expand...
Click to collapse
The Xiaomi poco m3 has the same SoC and other innards as the Moto G Power 2021 and it also has unofficial Lineage OS 19 support. I am considering hitting them up and using their code as part of the build. I'm also requesting Motorola Mobility LLC to release the kernel source for Android 11. I already have a device tree for Borneo on my github. Me and Fazwalrus have a telegram chat set up for the ROM development here

backport official moto roms?

As a happy owner of a retail 2020 G Power, I hate that Moto forced obsolescence on this phone when the hardware in 2023 is *still* better than the 2021 & 2022 "updated" models. However, the newer models are getting 12 & 13 versions of Android. My Question is to those with experience creating/moding ROMs: how difficult would it be to backport one of the newer ROMs from the 2021 & 2022 models? Would it work properly if the hardware drivers are simply replaced with those from the 2020 ROM, or is something else more challenging involved? It would be great to have a vanilla Moto G Power ROM using Android 12 or 13 working on our 2020 phones.

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