Original topic:

A20s

(Topic created on: 11-30-2021 12:58 AM)
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Ghareeby
Beginner Level 2
Options
Galaxy A
My A20s  is android 9 andcan't upgrade when i diagnosis it a massage say unusual software .. i unlock the sim from Gsm to Acdma .. please let me know how I can solve this problem.
1 Comment
ProgRidha
Active Level 10
Galaxy A
Hi if you have PC or Laptop

Download Samsung Smart Switch and try to update the Phone from there

See the link for full information

https://www.samsung.com/ph/support/mobile-devices/how-to-update-software-using-smart-switch/

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