It is invisible to send a picture of someone else's text message. Fail to do so.

There are two reasons for not accepting: first, the information has expired; Second, the local network signal coverage is weak.

This has something to do with mobile or Unicom networks. When we accept short message pictures (so-called MMS), the transmission intersection of operators will change, not the GPRS entrance. Then, this unique receiving entrance is related to the strength of the local signal, and the stronger the signal, the easier it is to accept. But now they have upgraded the 4G network,