2G/3G mobile network doesn't work

3100

12

2017-01-08 09:11

On my Meizu M3s 2g and 3g network doesn't work. However 4g works OK. it was not working on my previous Flyme OS, I updated it to 5.1.12.0G and it is still not working. Can you, please, give me idea or hint? Thank you for your help.