hints & tricks in no particular order
18/09/2026
I recently cloned a MIFARE Classic access badge onto a Gen2/CUID card using Mifare Classic Tool (MCT) on Android. The clone worked perfectly, but when comparing the original dump with the cloned card, MCT reported a tiny difference. It turned out to be a single bit in block 0. The difference The beginning of sector 0 […]
03/09/2025
When an Android device has Family Link supervision enabled, the option to factory-reset the device is blocked with an “action not allowed” error. Log-out from the child’s account on the device When logged in to your child’s account in a browser, go to https://myaccount.google.com/. Security -> your devices -> pick the […]