Here is an Android 4.2.2 Jelly Bean rooted firmware for the PIPO M7 Pro tablet based on latest update from Pipo released 2013/08/19

(update#360_M7pro_No3G_ZH_20130819_family.img)

Build information:

Kernel: Linux version 3.0.36+ (cdy@mid-server) (gcc version 4.4.3 (GCC) ) #360 SMP PREEMPT Mon Aug 19 10:57:54 CST 2013

Android 4.2.2 JB: rk30sdk/rk30sdk/rk30sdk:4.2.2/JDQ39/eng.ljh.20130815.104747:eng/opinions-on-teclast-p90hdst-keys

Custom firmware features:

• root with latest SuperSU version 1.51 (free version)
• removed most Chinese and unnecessary applications, removed Certificate Center asking for product key
• Google Play Store fixes so more application are visible/compatible
• updated busybox v1.21.0.git (2012-11-29)
• Unix like init.d boot scripts support, more details on init.d scripts here
• changed permissions on external sdcard to allow write access
• increased space for applications (/data partition) to 4 GB
• NEW! kernel modules (cifs, tun, lan, serial, xpad) compiled by Oma & Crew RKTablets, thank guys!

Download: kasty-pipo-m7_pro-422-20130819-rooted4.zip

Flash with Rockchip Batch Tool version 1.7, use Restore button.

Please report any problem with this firmware, I can't verify this custom firmware works as I don't have a PIPO M7 Pro tablet to test the custom firmware.