This is a customer problem about Radio:

I live in Russia and I tried to change regional settings to Russia and Europe – for radio frequence,
We have 2 bands of FM
The problem is that radio works just 5 minutes after car starting
Then, radio don’t make search of stations at all
This began after 2 or 3 weeks after installing of the unit.
In the beginning all was okey dear. Its radio station with known frequency, frequence displayed well, but theres no sound.After this happened, when I try to change frequency, on radio interface, it doesn’t search stations, each button change frequency just at 0,5 mhz.
No search work. For now after android’s start radio works, but 5-7 minutes after it shuts down. Please help.

He bought this one Pumpkin Pure Android 4.2 Two Din Universal Car DVD GPS Navigation

First, you can see the top right corner RST, please find some sharp to press RST to reset it. If the problem is still. I think the your country radio range is set wrong.
Please watch this first video to set the right radio range for your country. Then see the second video to set the language.


After that button Navi don’t turn on navigation program, this video can solve it.

If your head unit signal is bad, please following are some tips to resolve the problems.
Method 1:
You need to push aside the radio antenna fully like this. Use something to make this higher, to make sure the GPS antenna connected tight, and this also can make the radio connected to GND, avoid interface, get a better radio signal.

 

When you plug in the antenna, if you fell the antenna connection is loose, may cause bad signal.

 

Method 2: When your car has some noice interference, you can cover the radio antenna by something don’t transfer electicity to avoid this interference.

Cover as long as you can pls, the more you cover, the avoid interference ablity is better.

Because when your car power with unit, the unit shell will be come into being static electricity or interference. This picture to show good cover and connected.

Method 3: This unit radio adaptor which has blue wire,you need connect it to +12V to enhance signal.

Enter into radio,you can choose automatically or hand search station.

When radio presenter show talking,but the background music is very noisy, so you can’t hearing more clear, please turn off ST, because the radio signal source is very week.

The TA, in order to make sure your car driving safety, The RDS station has a traffic information function, if something encountered important transportantion, it will be send this message to you need pay attention to it if you listening radio.

 

 

 

 

 

This is Only for android 4.2 system for our units.The customer issue is I just received ordered unit,unfortunately I have problem booting to android.after few short sounds it brings recovery screen . I can select recovery option but I can not execute it. Then after short while system shuts down.How can I fix it?

This is Only for android 4.2 system for our units. You need to update the android system. First, you can download the update the android system file in this page https://mega.co.nz/#!D5M1wJzB!Fm1wKpzA9KTmDbcCh2oDLz7Uic8Lat5w5jG5XZeS6ZM and unzip it, you will see the two files, copy it in the GPS card slot and put in the unit, The unit have to connected power supply, then press on the power button an the time, don’t let go of it, then press RST. Please loosen it when you hear warning tone, then according to the hint to operate it. when updated system it will automatic shut down. Hope it can help you. Any more questions please feel free to let me know.