Prerequisites
- The roms are only for Samsung Galaxy Mega 6.3 LTE/3G models. Don’t try to flash these roms on any other model.
- Only use TWRP that I have linked below. Don’t use the official version available on xda. It does not work.
- Use only the Gapps linked below. If you use any other gapps and run into issues, you have to mention that while you complain.
Download links
http://downloads.codefi.re/jdcteam/javelinanddart/gapps https://androidfilehost.com/?w=files&flid=322935&sort_by=name&sort_dir=DESC
Procedure
For a fresh flash coming from a different rom, full wipe is must. For example, if you are running cm and want to test temasek, you have to wipe system/data/cache before flashing the rom/gapps. If you are updating the rom, wipe is not required. Most of the roms have a backup script that saves and restores gapps during rom updates. This works most of the time but issues can occur. So while updating the rom, you can flash gapps if you choose so.
- Flash TWRP recovery. There are 3 versions. zip file is to be flashed in recovery, tar using Odin in download mode and img file can be flashed using an app like flashify. If you are flashing the recovery over stock samsung recovery using odin, make sure that you reboot to recovery immediately after flashing twrp, else custom recovery will be overwritten by stock recovery.
- Download the ROM and preferred gapps from the links given above.
- Use the appropriate wipe option mentioned above.
- Flash the ROM followed by gapps.
- Reboot.
Problems
If you run into any issues, provide the steps you took prior to getting that error. Just mentioning the error will not get you help.