Should I upgrade to oneui 3.1 using OTA or smart switch?

[BalajiVarre]

you are better off with OTA

[Vicky_A52]

smart switch is safe 👌

[DarkClawX]

smart swiych

[iamiceparticle]

Better visit service center and ask them to flash firmware.

[ѵօϲɑӀ4ӀօϲɑӀ]

Smart Switch without a single doubt.

[Kinshuk05]

Always smart switch.

[Ehsank · Accepted solution]

go with simple way don't be scared about ota its perfectly fine if you have decent network connection