This is CyanogenMod 12.1 (Lollipop (5.1.1 – LMY49F)) for ASUS’s Transformer Pad (TF701T – Macallan).
Local: Use OpenJDK 1.7.0_111 64bit.
-sync latest changes from CyanogenMod OS repo (cm-12.1)
Sync’d as of 6/7.
You can also Use CWM 220.127.116.11 (select ‘No’ after flash to CWM’s offer to fix root).
-You must be unlocked (use ASUS’s unlock tool to perform this)
-You must be on at least 10.26.1.18 bootloader but it is reccomended to update to 18.104.22.168 (updating to ASUS’s latest 4.4.2 release will install this). It is best to update to this build (22.214.171.124) via MicroSD update method (as outlined on ASUS’s site). You can also get a CWM flash-able boot-loader package here (US only): http://droidbasement.com/asus/tf701t/stock/4.4.2-126.96.36.199/TF701T_K00C-188.8.131.52-US_BL.zip
-When phone audio is selected on a supported BT device; mediaserver will segfault and could cause system instability.
-Userdata encryption is currently not operational.
-boot in to bootloader (power and vol +/-)
-fastboot boot recovery.img (you can fastboot flash recovery recovery.img for permanence); wait a few seconds for the recovery screen.
-adb shell mount /data
-adb push cm-12.1-YYYYMMDD-UNOFFICIAL-tf701t.zip /data/media/
-take a nandroid backup (CWM only)
-transfer and flash gapps for Android 5.1: http://download.dirtyunicorns.com/files/gapps/banks_gapps/5.x.x/ (latest for 5.1.x is 10-20-15)
-it is best to wipe when coming from stock (Note: You can upgrade from CM12)
Source: https://github.com/cyanogenmod , https://github.com/pershoot