Here is an Android 4.2.2 Jelly Bean rooted firmware for the Yuandao Vido N90 IPS (N90IPS) RK3188 tablet with 9.7 Inch 1024x768 display. This firmware is based on latest official update from Yuandao dated 2013/10/12

(文件名:N90四核IPS-4.2-20131012-ZZ-固件+刷机工具+刷机教程+驱动.rar )

Build information:

Kernel: Linux version 3.0.36+ (swfour@SW-desktop) (gcc version 4.6.x-google 20120106 (prerelease) (GCC) ) #157 SMP PREEMPT Sat Oct 12 16:21:50 CST 2013

Android 4.2.2 JB: rk30sdk-eng 4.2.2 JDQ39 eng.swfour.20131012.162352 test-keys

ro.rksdk.version=RK31_ANDROID4.2.2-SDK-v1.04.00

Custom firmware features:

• root with latest SuperSU version 1.65 (free version)
• removed most Chinese and unnecessary applications
• 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!
• optional ClockworkMod (CWM) Recovery easy install package

Download: kasty-yuandao_vido-n90_ips_zz-422-20131012-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 Yuandao Vido N90 IPS tablet to test the custom firmware.