We made firmware for S9 ONLY.
You can test it.

File description: MD5: 6e68e11127e8aaa0546cce0828486ac1
File Size: 81MB
S9 image ONLY
Is intended to run on SDcard ONLY

Installation guide for S9 firmware:

1.Download firmware: http://teslawatt.com/files/firmware/v1/tswos1.0-s9-20210402.img
2. Verify MD5
3. Burn image to microSD Card
4. Boot from microSD card; - Remove jumper from JP4 from left to right; - Put microSD into slot;
You can find more details on this step here: https://youtu.be/i46YWGBEvC4
5. Power On miner and wait for 15sec to obtain miner IP address automatically
6. Access your miner via web
7.Credentials: user:admin password:teslawatt