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[ROM][p6800][p6810][i815]LineageOS CM-12.1 [UNOFFICIAL]

25 posts
Thanks Meter: 33
By frami2, Junior Member on 13th April 2018, 09:22 AM
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This is an unofficial port of LineageOS cm-12.1 to our Samsung tab 7.7. I'm a beginner in building custom roms, so please be patient with me. This rom is based on the device tree of DanielHK with small modifications to run smooth with its low memory. Compare to my CM-13.0 - here almost all works - Bluetooth, Kindle app, DRM. I tuned it strongly to get Lollipop fast enough. Still there are some lags starting apps - but it's quite usable - try yourself
#include <std_disclaimer.h>

 * Your warranty is now void.
 * We are not responsible for bricked devices, dead SD cards,
 * thermonuclear war, or you getting fired because the alarm app failed. Please
 * do some research if you have any concerns about features included in this ROM
 * before flashing it! YOU are choosing to make these modifications, and if
 * you point the finger at us for messing up your device, we will laugh at you.
Release Notes
  • 2018-04-21: Add support for i815. Rom uploaded, but radio (cmda, 4g) is not working for i815.
  • 2018-04-13: First upload.

  • Download the ROM and optionally GApps (ARM-5.1-pico) onto your device
  • Wipe data, cache, dalvik/art-cache and system. Coming from stock rom, also wipe internal sd.
  • Check that your partitions are formatted Ext4, not F2FS (not yet supported)
  • Flash ROM and GApps.
  • Reboot System. (First boot takes 5-6 minutes. Be patient.)

Download SuperSU version and install via TWRP recovery, newer releases will not work.

Known issues
  • Google Play Music app installation fails at first try with -504, but works at the second try.

XDA:DevDB Information
LineageOS CM-12.1, ROM for the Samsung Galaxy Tab 7.7

frami2, danielhk, bauner
Source Code:

ROM OS Version: 5.1.x Lollipop

Version Information
Status: Stable

Created 2018-04-13
Last Updated 2018-04-13
The Following 3 Users Say Thank You to frami2 For This Useful Post: [ View ] Gift frami2 Ad-Free
15th April 2018, 01:19 AM |#2  
Thanks Meter: 3
Does this work with the verizon LTE version I think it's i815?
16th April 2018, 09:07 AM |#3  
Junior Member
Thanks Meter: 0
A new hope!
Oh a new DEV for our old 7.7 tab! Nice! Good choice for the rom. Thanks!
18th April 2018, 06:51 PM |#4  
Junior Member
Thanks Meter: 0
good work!
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