From stock rom to make a custom rom with version upgrade - Android Q&A, Help & Troubleshooting

Hello,
My question is, it is possible to have a stock rom with 4.4.2 and make out of them a custom rom with android 5.x or 6.x or higher?
Regards lucki1000
Thanks for all answers

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[Q] (Q) Official ROM for IM-A870L?

I'm the south Korean Android user who has IM-A870L(VEGA iron). I also wan to experience Lollipop(Android 5.0), and i think the only way to use lollipop is using custom rom like Cm12, Miui6. I found a custom rom in Tekcafe, and i realized it's unofficial custom rom, is it possible to do OTA even if it isn't official? I am hoping that i can use OTA instead of factory reset to install new custom rom.
Please be interested in developing IM-A870L rom.
Ima870user said:
I'm the south Korean Android user who has IM-A870L(VEGA iron). I also wan to experience Lollipop(Android 5.0), and i think the only way to use lollipop is using custom rom like Cm12, Miui6. I found a custom rom in Tekcafe, and i realized it's unofficial custom rom, is it possible to do OTA even if it isn't official? I am hoping that i can use OTA instead of factory reset to install new custom rom.
Please be interested in developing IM-A870L rom.
Click to expand...
Click to collapse
any luck bro...???
I am also an IM-A870L user and my rom has crashed... need the stock rom and a simple method to install it!

downgrade

How i can make downgrade from android 6.0.1 marshmallow to android kitkat 4.4.4
please advice me in order to be satisfied
thanks in advance
Just flash stock 4.4.4 (ODIN) then install recovery and your 4.4.4 custom ROM
can you explain to me with the steps if you can please
Sammobile.com

Android porting question fot MT6582

I have a few questions regarding ROM porting
1)If my phone has android 4.4.2 stock rom and i want to port android 5.1.1 for it...is it possible,beacause i have heard that is not possible to port a lower version to a higher version or viceversa
2)if i have a working CM based rom (version 5.1.1) can i port a 6.0 version of android based from that rom?
It is first time when i try to port roms so i am just curious

Is possible to make an Android 7

Hi, I'm new to the forum and I would ask you a question (maybe you can help). I have a wiko pulp 4g with stock rom that is Android 5.1 lollipop. I was thinking if was possible to make a custom rom of Android 7.1 for my phone. Searching around the web I found some guides (mainly on this forum) but they tells that for making a 7.1 rom I need a 7.1 base rom and a 7.1 port rom. My question is: is it possible to make a custom rom for my wiko pulp starting from a 5.1 rom and a 7.1 port rom (maybe lineageos or pixel stock rom)? Thanks in advance.

Questions About Custom Rom

Hi guys,
I'm soo newbie and I have a some questions. I think you can answer this questions.
1-) I want to install any custom ROM for my S6 Edge(FQ). If I'll install any Samsung based (S9, Note9 etc.) custom ROM can I continue to use SHealt, SamsungPass, SamsungWearable and etc?
2-) If I'll install custom ROM , can I turn back to stock ROM ?
3-) I looked to many custom ROM's page but they wrote camera bugs and etc. How can I find stable Custom ROM, can you suggest to me any Samsung based custom rom, Android version does not matter but if be android 8 or higher will be good.
4-) If I'll install a custom ROM, my devices is performance increases ?
Thanks a lot for your support.

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