I got my Binance account locked twice. The first time was when P2P seller accidentally sent fiat to me twice without my knowledge. After I refunded the extra amount, my account was unlocked.

The second time was when I made deposit through bitcoin mixer. Binance asked me to provide proof of where I got those bitcoins and their source. After I gave them the necessary details, my account was unlocked again. Maybe this is one of the reason why your account got locked.. Try to ask them why.

I've been using Binance since 202, and these are the only issues I’ve encountered. For me, the Binance Android app is still the best.