Joke Collection Website - Public benefit messages - Why does my iPhone3G always prompt that the cellular data network is not activated when sending short messages? I also entered the CMNET of APN.

Why does my iPhone3G always prompt that the cellular data network is not activated when sending short messages? I also entered the CMNET of APN.

Settings-General-Network-(Turn on the cellular data switch) Cellular data network-Fill in CMWAP of APN.

Fill in MMSC: mmsc.monternet agent: 10.0.0 172 Maximum MMS size: 102400. Then return to SMS settings and turn on MMS.