Question about Dual Electronics CECT P168 Cellular Phone

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None of published solutions does help (mine = Cesim A9530)

I researched the net for quite a while and many people with several
"different models" of Chinese mobile phones have the same problem.

On some models the *#3646633# method seem to work out.

If I try dialing the *#3646633# the phone is still responding "not allow to dial", it's not accessing any service mode. Resetting to factory does not help either.

I tried that in many different variations, WLAN on/off, SIMs in/out both/one only/none, it even does not fully reset all settings to its origin. I aslo tried removing the battery while going to factory settings...
nothing does change a thing.

The mobile stays in "Wlan only" it can't be changed to "GSM only" or "GSM preferred", I can receive and send SMS, I can receive phone calls, but I can't dial out.

If someone does have a solution which does work for definate without
flashing firmware, please kindly pass on to me, would be very much appreciated.

Many greetings from Germany

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"not allowed to dial" problem with Cesim A9530 --> SOLVED

Hello everybody,

after playing arround for a while, collecting a lot of other information from
the net, I got the problem solved with my phone:

01. Make sure two SIMs are online with good coverage, WLAN
switched off.

02. Press the "call"-button and type in *#9646633#

03. The phone shows "Engineer mode" with a menu of 10 different

04. Go to No. 10 "RF test tool", using the up/down button at the left
side of the mobile.

05. Choose "GSM"

06. A message shows up "Wifi....blabla", just confirm with OK
07. Choose "Power Scan"

08. Select your local GSM frequency (in my case DSC 1800 for
Germany) and press OK.

09. The mobile will freeze now, because its adjusting itself. Leave it like
this for about 2-3 minutes and wait !!!

10. Connect your mobile via USB cable to a PC, DO NOT CONFIRM
any connection mode at your mobile, just and ONLY connect the

11. Press the Menu button (second from the left, the one with the seven
small dots on it) until you are at the main menu with the 12 icons on
the display.

12. Go to "Settings" --> "Network Setup" --> "SIM1 network setup"

13. Go to "Preferred mode" and choose "GSM preferred" or "GSM

14. The mobile will switch to your selection, but the message that it
will stays on display. Do not press anything else, just wait for about
10 - 15 seconds.

15. Disconnect the USB cable from the phone, it will show you that it
has switched to your selection.

16. Get back to main menu, switch off and restart the mobile
--> DONE.

I hope my "weekend job" is helping a lot of other people to get rid of this
annoying problem. Please bomb your supplier with emails, so maybe
we do get a general solution to this problem. Next I will check why I do
not get the "Opera Mini 3" working, maybe an update is necessary first.

Posted on Sep 14, 2009


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