Who knows how to solve the signal difference of red rice mobile phone?

Solve the problem of unstable cell phone signal and cell phone signal;

First,? The preferred network setting method for GSM network is as follows: (commonly known as: 2G card)

The full name of GSM is global? System? For what? Cell phone? Communications, a global mobile communication system in Chinese, commonly known as "GSM", is a technical standard of mobile communication originated in Europe and is the second generation of mobile communication technology. Its development purpose is to enable all parts of the world to use the same mobile phone network standard, so that users all over the world can use a mobile phone. At present, China Mobile and China Unicom each have a GSM network, which is the largest mobile communication network in the world.

Enter * # * # 4636 # * * in dial mode?

Enter mobile phone information

Set the preferred network type: choose GSM? Automatic (prl)

Return to standby state

After 30 seconds, your cell phone signal is as strong as that of Nuoji.

Remarks: When the mobile phone card is confirmed to be 2G, you can directly choose GSM as the priority network. Only, the state, the second mobile phone signal search preferred GSM network. This setting method is also relatively power-saving for mobile phones and the signal is relatively stable.

Second, the preferred network setting mode of WCDMA network is as follows: (commonly known as 3G card)

WCDMA？ Is it British broadband? Code? Organization? How much? Access (short for wideband code division multiple access) is the third generation wireless communication technology. W-CDMAWideband？ CDMA？ It is a GSM-based system specially formulated by 3GPP. MAP core network, UTRAN(UMTS terrestrial radio access network) is the third generation mobile communication system with wireless interface. Has WCDMA been released at present? 99. Release? 4. release? 5. release? 6 and other versions. At present, China Unicom adopts this 3G communication standard.

Enter * # * # 4636 # * * in dial mode?

Enter mobile phone information

Set the preferred network type: WCDMA? Automatic (prl)

Return to standby state

Remarks: When the mobile phone card is 3G, the priority network can be directly selected to WCDMA? Only the status, every time the mobile phone searches for a signal, WCDMA network is the first choice, the signal is relatively stable, and the power saving effect is slightly higher than that of 2G network!

Third, the preferred network setting mode of GSM/WCDMA network is as follows: (commonly known as: the card supports 2G/3G)

Enter * # * # 4636 # * * in dial mode?

Enter mobile phone information

Set the preferred network type: GSM/WCDMA? Automatic (prl)

Often people do not set the corresponding preferred network after replacing the SIM card, which often leads to weak or unstable cell phone signal.