Hello,
a question for specialists / hardware coders. There's a tiny mobile GPS tracker on the market (obviously made in China) named ZX612, ZX613, ZX302 etc. They use the MT6261D or MT2503D chip which seems to be pretty well documented (as far as my quick google searches say). Reading roughly through the papers, I am really impressed what this tiny thing can do ...
The tracker is programmed to use a SIM-card to make a connection to the network, wait for incoming messages / calls and do...
Re-programming MT2503D or MT6261D
a question for specialists / hardware coders. There's a tiny mobile GPS tracker on the market (obviously made in China) named ZX612, ZX613, ZX302 etc. They use the MT6261D or MT2503D chip which seems to be pretty well documented (as far as my quick google searches say). Reading roughly through the papers, I am really impressed what this tiny thing can do ...
The tracker is programmed to use a SIM-card to make a connection to the network, wait for incoming messages / calls and do...
Re-programming MT2503D or MT6261D