TK202 GPS/GPRS tracker: firmware update
Today, I successfully updated the firmware of some TK202 GPS/GPRS trackers, labelled simtrace TK202, bought in 2009 or so.
Here’s what I did:
- Get a USB cable, I used this one
- Install latest PL-2303 driver from prolificusa.com
- Obtain firmware for TK102 (Ohne SD Kartenslot) from yourgps.de
- Extract archive
- Follow instructions from the enclosed document.
This screenshot summarizes the procedure:
Afterwards, the GPRS transmission was working nicely. In particular, I was no longer getting a APN failed! after sending an apnuser123456/apnpasswd123456 command.
To test the GPRS transmission, you might find GPS Device Unique ID Checker helpful.