I have this trouble just two days ago but this problem has been very stressed me out. my motorolla mpx 200 can't send an sms messages,to received and read, even to write the sms messages is easy but again when I enter the send button it just did not give any effect. I try so many ways to had send the message but just wasting my time.... would you please to give me the right inbox/sms setting for my mpx 200, b'cause I've already have my heart in this beauty. thanks

You gave your heart to a cell phone? Maybe that's the problem.
I was under the impression sms always worked as long as it's under your plan with the provider. check with the provider.

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