S T8100

Identification
On the back of the device, the following is printed:

S

ASSOCIATION DES CONSOMMATEURS TEST-ACHATS/TEST AANKOOP ALTROCONSUMO EDIZIONI S.R.L. DECO PROTESTE OBSEQUIDO DE OCU EDICIONES SIN VALOR COMERCIAL PROTESTE

Gift code: 869 S:T8100

Input: 5V == 1.5A Li-Po battery 3.7V / 4000mAh / 14.8Wh

It runs Android 10 GO.

Model: T8100 Android version: 10 Build number: QP1A.191105.004 release-keys_20210527202001

CPU A100 Quad core

"Treble" check reports it supports GSI images

Hardware buttons

 * Volume +
 * Volume -
 * Power
 * Reset pin hole

sunxi-tools under Debian Linux
sunxi-fel version issued one time gives: ERROR: Allwinner USB FEL device not found! but, issued immediately a second time, gives: Warning: no 'soc_sram_info' data for your SoC (id=1855) AWUSBFEX soc=00001855(unknown) 00000001 ver=0001 44 08 scratchpad=00002200 00000000 00000000

= Tips, Tricks, Caveats =

FEL mode
Booting into FEL mode through a special SD card image works. No special key to enter FEL mode, but a special sequence of actions:
 * power off
 * keep "Volume +" or "Volume -" pressed
 * long press and then release "Power"
 * quickly and repeatedly press "Power" three or more times
 * release all buttons

or:
 * power off
 * keep "Volume +" or "Volume -" pressed
 * insert USB
 * quickly and repeatedly press "Power" three or more times
 * release all buttons.

= Pictures =

= Also known as = Not sure if it's also rebadged.

= See also = The user manual (below) reports the manufacturer as Well Honest Enterprises limited; the dealer seems to be a company called The China Office (https://www.the-china-office.com).

On its website there's a page for this tablet (https://www.the-china-office.com/t8100-tablet) containing almost no info.

Official documentation
User Manual

Declaration of Conformity

Software & Upgrade guide

Manufacturer images
Link found in the "Software & Upgrade guide" above is no longer valid. No stock ROM available.