Failed to send a text message, called and said that the mobile phone card was invalid.

If your mobile phone card cannot be used normally, you can confirm the following:

Whether it is 1. Insufficient contact between SIM card and metal contact of mobile phone;

2. Whether it is 2. SIM card is damaged;

3. Is the location a signal blind area or there is no signal suddenly.

Tips: I suggest you put your mobile phone card in another mobile phone to test it. If this still happens, I suggest you take your mobile phone card to the business hall for testing.

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Activity recommendation

Great discount! 4G national package deposit fee to send discounts! The traffic recharge is coming, and you can choose a variety of traffic packages, which are common throughout the country! 4G main and auxiliary cards, one person pays, and the whole family plays! What are you waiting for? Click the corresponding link below to handle it!

4G national package: /sAbMM

Traffic recharge: /rbe recharge

4G primary and secondary cards: /02upy