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The LP715 watch board and its 80x160 display showing the custom graphics test, on a dark workbench
Hardware
Oct 11, 2026/ 23 min read

Hacking Another ₹249 Smartwatch: Custom Firmware on PHY6222

My second ₹249 smartwatch hid a PHY6222. I found its reset pin, stole the display init from the stock firmware, and updated it over BLE.

Reverse EngineeringPHY6222SmartWatchBLE
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Hacking a ₹249 Smartwatch: Custom Firmware on TLSR8232
Hardware
Jul 29, 2026/ 31 min read

Hacking a ₹249 Smartwatch: Custom Firmware on TLSR8232

A bike navigation idea led me to reverse engineer a ₹249 smartwatch, crack its SWire debug port, and flash my own firmware on it.

Reverse EngineeringTLSR8232SmartWatchBLE
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