Strange issue

[boldheart007]

Hello folks
Am facing strange issue with xiaomi mi a2 lite..after disconnecting charger phone became too slow and once showed storage is full warning!! It's not and sometimes working smoothly if i let it for 2 mins most times i have to reboot
Anyone have same problem or solved it
Thanks in advance
That issue happened after updating to pie

 

[Medo22]

Do a factory reset first of all

 

[boldheart007]

Do a factory reset first of all

I'll try and tell the result