No internet after upgrade

After the last flme upgrafe I have no mobile internet connection.I have tried to change the APN to carrier setting but once I press on the save button the apn disappear and won’t save.please help.Thanks!!

Meizu MX4 Pro

reflash firmware/ downgrade to a version when your internet worked

I have now the same problem after upgrade. I did the downgrade too, but not helped. The same problem exist. Can somebody help???
p.s. I have Meizu MX4

last edited by yudgin

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