Lenovo smartphone A300i can t connect to the computer, what s wrong?

Are you sure you have a PC kit installed on your computer?

Check the drop-down status bar first.

Click "Data Connection", the data connection is gray for the closed state, and the green state is for the open state, this option is manually set to on.

Scroll down the notification bar and tap the up and down arrows to open the data connection.

Check if airplane mode is turned on.

The phone only supports the data connection function of the telecom card, please make sure that the SIM card you use is within this range.

Please make sure that the surrounding network environment is good, and you can change the usage environment or compare it with other nearby users.

If there is a problem on other mobile phones, it is not excluded that the SIM card is abnormal, and it is recommended to contact the operator for further processing.

It is recommended that you check the validity of the AP parameters, and you can contact your carrier's customer service for further confirmation, or you can use Hydra APN or other software to reset the APP parameters.

Please back up the fuselage data for factory reset, if it is invalid after restoration, please send it to the repair site in time for processing.

The service station is usually open from 9:00 to 18:00 from Monday to Sunday, excluding holidays.

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My phone is also A320, plug in the data cable, if you are down** or e-book, movie, press the storage device.

1. It is recommended that you replace other mobile phones or compare the use of other users of the same operator in the vicinity, it is not excluded that it is caused by the poor network environment, if it appears in individual areas, it is recommended to change the network environment;

2. If you have the conditions to replace other SIM cards, it is recommended that you change the SIM card for comparison and use, if the individual SIM card cannot call in and out normally, it is not ruled out that it is a card failure or compatibility problem, it is recommended to contact the operator for specific testing and treatment;

3. If the above operations cannot be improved, it is recommended to back up the fuselage data and try to restore the factory settings (system settings - privacy - factory reset settings);

If the problem cannot be effectively solved after the above operation, for your normal use in the future, it is recommended that you take the time to go to a nearby Lenovo authorized repair station for specific testing and treatment.

Lenovo Authorized Service Site Query:

Consult to find out.

The common causes and solutions for phone not receiving calls** are as follows:

1. Check whether the mobile phone is in arrears and shut down, and it is recommended to pay and recharge;

2. Check whether the phone is set to call forwarding, turn on airplane mode, call restrictions, etc., and it is recommended to try again after canceling;

3. Check whether the function or signal of the mobile phone is normal, it is recommended to try again after changing the mobile phone or location;

4. Try to restart or change the phone to see if it can receive calls**;

5. Bring the mobile phone card to the local business hall for testing or replacement of the mobile phone card.

If it still can't be used normally after excluding the above reasons, you can click for feedback, and we will check and deal with it as soon as possible.

Dear Lenovo users, hello!

1. It is recommended to replace other mobile phones or compare the use of other users of the same operator in the vicinity, it is not excluded that it is caused by the poor network environment, if it appears in individual areas, it is recommended to change the network environment;

2. If there is a condition to replace other SIM cards, it is recommended to replace the SIM card for comparative use, if the individual SIM card cannot call in and out normally, it is not ruled out that it is a card failure or compatibility problem, it is recommended to contact the operator for specific detection and treatment;

3. If the above operations cannot be improved, it is recommended to back up the fuselage data and try to restore the factory settings (system settings - privacy - factory reset settings);

If the problem cannot be effectively solved after the above operation, for the normal use in the future, it is recommended to take the time to go to the nearby Lenovo authorized maintenance station for specific testing and treatment.

Restart your phone. Try to change to a place with a good signal, if it doesn't work, you need to repair it.