Lenovo A900 will automatically hang up after less than 2 minutes of phone calls.

Just go up and it should be fine.

Let's talk about the Lenovo A900

The A900 has been used for about 3 months, so let's talk about this phone in a nutshell! Pros - the appearance is still good. The handwriting touch screen is more sensitive!

The external speaker effect is okay! Cons - Internet access is easy to freeze! The new machine is not very compatible with SIM cards!

It's good to go to the mobile business hall and get a new one! The stylus was so bad that it broke in less than a month, and the quality was not good! To sum it up:

If your financial conditions are good, don't think about it, if not, just say it! If you want to use the GPS function, this Kailide E-series navigation system is a simplified version, with a lot of missing features! It's average!

But it's not a professional navigator after all, so don't ask for too much! To be honest, you still have to buy Nokia and Motorola, and the quality of domestic ** is really poor, but it is cheaper. Or the same sentence, if you have good economic conditions, don't buy domestic goods, if it's not good, you can consider A900, after all, it's only more than 700 yuan, and the price is there!

This price should not be too demanding!

Did you set it up yourself or did you have some software? Make a good backup of the backup and do a factory reset.

in the main menu; Settings - Call settings. Select "sim2 card", and select line 2 in "line switching" in item 6. The signal icons in the upper left corner are 1 and 2.

The reasons and solutions for Lenovo mobile phones to automatically hang up after more than ten seconds are as follows:

1.Whether the problem exists in a specific contact call, and if it appears in a specific contact call, it cannot be ruled out that it is caused by the other party; Users are advised to call a different number to try;

2.If the problem is more common, it may be related to the user's location signal, and it is recommended that the user try to talk elsewhere;

Card issues can also lead to a similar situation, and users are advised to reseat or replace the SIM card to try;

4.If the system is abnormal, the user can turn off the computer first and then restart it to see if the problem is solved. If it persists, users are advised to try using a factory reset.

If the above problems are solved, bring the purchase invoice and warranty card to the after-sales service for maintenance.

You can brush the Xiaomi system, my friend's I brushed it.

Dear users, hello!

This is the Lenovo FAQ knowledge base, which has a relatively complete answer and know the process and analysis:

It is estimated that it is time for the system to be set.

Hello, see if you have turned on the Spike Disturb Auto Time Limit function, System Settings - Call Settings --- Auto Time Limit, turn it off If Li He is invalid, it is recommended that you back up important data and restore it to factory settings.

You can also go to the nearest Lenovo mobile phone customer service center, and there are engineers to help you solve the guessing file; Provide you with a link to Lenovo mobile phone service outlets.

Hello: According to the situation you described:

1.It may be caused by the unstable mobile phone signal, it is recommended that you change to another location and try to dial it again;

2.If it does not return to normal, it is recommended that you change to another contact to see if the same phenomenon occurs.

3.If the problem persists, it is recommended that you change your phone to another SIM card to see if it is back to normal.

None of the above methods can help you solve, it is recommended that you back up your mobile phone data (**book, SMS Huai Talk, multi** files, etc.), restore factory settings (settings-reset-factory reset);

Have a great day!

You swap the card,,sim1 to sim2,sim2 to sim1,,, if it doesn't work, you can set it up at the factory,,, of course, if it's a new rom, you can brush it down,,, sometimes it's a touch problem,,, the screen is wiped clean,,,Hands are wet,,It will also be ineffective to touch,

Fix it, LX's phone is not good.

Dear Lenovo users, hello!

It may be that your mobile phone intercom is faulty, and it is recommended that you Lenovo mobile phone after-sales service point for testing and repair.

Will you do the same when you play? 1.Try to change to a ruined card and try to get off the plane again. Punch and punch in. 2.Call or enter the fiber to raise the ear, do not slide the cover to answer, see like this and then tell me.