All china mobiles phone codes and solution to some common phone problems

These codes will help you to get the best out of your china make phones

*#66*# this is use to set to factory mode

*#8375# this will show the phone software version

*#1234# A2DP ACP Mode will be display

*#1234# A2DP INT mode confirmed

*#0000# + send: it is use to set default language

*#0007# + Send: it is use for setting language to Russian

*#0033# + send: it is use for setting language to French

*#0034# + send: it is use for setting language to Spanish

*#0039# + send: it is use for setting language to Italian

*#0044# + send: setting language to English

*#0049# + send: setting language to German

*#0066# + send: set language to Thai

*#0084# + send: set language to Vietnamese confirmed

*#0966# + send: set language to Arabic confirmed

Chinese models

Default user code: 1122, 3344, 1234, 5678

Engineer mode: *#110*01#

This information may be helpful if you notice these problems with your phones

• Blinking of network signal

What you can do: check the environment where you are if there is enough network coverage. Check the phone antenna, if nothing happen then press*#0000#

• Audio problem

Carefully unscrew the cell phone and clean the panel with methylated spirit. Clean the ringer with dry tissue

• Loss of memory

Change the battery with its original type. If the battery is ok after reading with meter, then recharge the battery to its normal capacity. The RAM IC may be bad, blow heat on it

• I can’t call out and can’t received calls

Check the validity of Sim card, reset the factory setting. Use manual searching to check if the brand can view network then press #33*0000# + send to cancel call barred