Sunil Bagal , May 27, 2018 : Hello.. I m using op3t with oreo and oxygen os 5.0.2. After using 1 nd half year it having issues like, 1.hanging some times 2.screen touch not working sometimes hd to lock nd unlock it. 3.while playing games like need to set it to lower resolution to avoid lag. And biggest of all, A month before it wipe itself i.e. Factory reset itself without any warning i lost all my very imp data after contacting support they said we can not help you on this. Wtf for that. Disappointment! Any help will be very appreciated! Thanks!