now I think there is a big problem with phone , I can't send my sms out .
I try some way but still can't send sms out.
please help me to slove this problem.
I have upgrade the ISO but the problem still here.
SMS is a carrier feature, contact the carrier to troubleshoot.
I try to use another sim card but it still can't send
Again, contact the carrier as SMS is a carrier feature.
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