What is a good custom?
I only have tried CM 12.1 and I am pretty happy with it. People also have recommended CarbonRom KitKat.
CM 12.1 - https://forum.xda-developers.com/showpost.php?p=76983817&postcount=28
CarbonRom KitKat - https://forum.xda-de...
Helium is on Google Play?
Both are on Google Play.
I have recommended a German seller on my previous post. I have bought 2 from them and It's a pretty good. You will be able to calibrate without issue.
Sorry but I don't have twrp on my phone. Can I install the patch without it? In what file directory should the patch be placed? I am not that tech-savy.
I think you did not unlocked your bootloader and you still have your stock recovery. Unfortu...
Can the ram be expanded on an S3 like a laptop?
My phone has been holding me down for so long and I like it and was wondering if it is possible to make the ram more than 1.5gb.
The short answer, no (more total amount of ram). But ...