OnePlus India — Phone software

Address:

G- 25 sadh nagar palam

This problem started few months back, one plus giving ample amount o[censored]pdates leading to so many bugs in the phone, after that my screen used to go black when i used to call from another apps like whatsapp or zoom and phone started switching off, i went to the service centre which is in saket .. they told me its a software glitch n all all the did just rebooted my phone, and did nothing else and told me that it would be fine after few days same problem came, secondly they dont pick up the call on time and its been months i m facing this issues i tried their complaint number but they didnt received and picked it up