STEPS TO Flash Older FTF Version and Get Root and Recovery for 4.3 Update
Back to 4.1.2 and Rooting
1. if you're in 4.3, Flash this SGP 351 4.1.2 FTF using Flash Tool and it will be booted in 4.1.2. if you have different Variant downgrade to your Variant FTF file
2. Install Vroot from (
www.mgyun.com/vroot) (DooMLord Exploit will not work for SGP351)
3. Select Debugging on from the Settings Menu
4. Select Unknown Sources under Security Menu in Settings
5. Connect your phone with USB (use your tablet cable)
6. VROOT will detect click the green button it will Reboot (if it prompts any access request grant it). Now successfully Rooted.
Copy the 4,3 Files to your SD Card as mentioned in the first Post
Install the XZ Dual Recovery
1. Download the ZX Dual Recovery from [NUT] files (Latest Version is TabZ-lockeddualrecovery2.7.62-BETA.installer).
2. Install Busybox by Stephen (Stericson) from Play store.
3. Install the Busybox (you're tablet may Reboot in the middle if proper System RW is not there), try installing it till you get success.
4. Now connect your phone and install the XZ Dual recovery folder Install.bat file
5. Select the Option as Super User (2), it will copy all the stuffs and reboot and start in Philz Recovery. (if not you need to install other busybox and start again from 4)