TF Card upgrade Guide1） Two ways to update the software: first way is very simple,See bellowing:

Choose “Setting”-“About Tablet-PC”-“System updates”-“Install system update”(From SD card or from

NAND storage).

2） The second way is as bellows: check the update_intson_android.zip (Name of the document）

“HOME” Key（ ）“M” key（ ）“SEARCH” key（ ）“BACK” key（ ）

1. Long press HOME and hold on, then press the RESET until there is an quotation mark(see Pic 1),press HOME

again, then appear the software update dialog(see Pic 2)

(Pic 1)

(Pic 2)

2. Press M and SEARCH keys up and down to choose the software you want to upgrade

3. Press BACK key to confirm the upgrade (see Pic 3).

(Pic 3)

4. When the Icon finished, it means finish upgrading. Then take out TF card and press RESET. (See Pic 4)

（Pic 4）