Wmt2.1.2_8102

[ineedroot]

Hi,

Umm, I have some questions and I can't find an answer.

Questions:
1. Do i need to flash roms with exact build number?
If not, what ROM should I use?
2. Do I need to root my tablet before flashing?..

Here are my specs:
Processor: ARM926Ej-S rev 5 (v5l) 174.48MHz
Sensor: WM8505 3-axis Accelerometer
Memory Size: 256MB
Model number: generic
Firmware version: 1.6
Kernel version: 2.6.29-00236-g4f8dbbb-dirty
Build number: WMT2.1.2_8102
Build: Donut.eng.howayhuo.20101108.164929
Resolution: 800x600
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Green Led when turned on
Red Led while charging

Thanks for the help. =)
- ineedroot