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I had switch on wlan on my karbonn k25i by switching on the wlan mode but now i am not to turn it back on gsm mode. what van i do?

Posted by Anonymous on

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Posted on Jan 02, 2017

  • 4 Answers

SOURCE: GSM mode

First of all, what service do you use? I'd assume you are using Nextel, which is iden. For this reason, setting it to gsm doesn't work. iden was apparently the last setting used, so "last active" also works. Motorola, for some unknown reason, decided not to allow Nextel users to text message.

There are two ways around this.
1. One is to send a multimedia message with only text (no pictures, sounds, etc). This should be treated as a text message.
2. The other way is to follow this guide, which should allow you to change the registry on your phone and get rid of the message. Note that the first posters made the guide for telus users, so be sure to use the nextel sms number (found later in the thread, I believe).

Posted on Feb 14, 2008

  • 4 Answers

SOURCE: I am unable to change connection Network Setup

Guys I had the same problem with the k599 Sciphone and none of the solutions found on the internet helped me. New chinese models tend to restart after testing is over and this results in turning the wifi application on. So I spent many hours on thinking how to bypass this function and this morning I woke up with an idea that really worked!! The steps are quite similar with the ones followed to debug older models:

put 2 chips on cell
Disable WLAN.
1-enter in factory mode *#3646633#
2-go to RF Test Tool
3-choose GSM, confirm OK!
4-go to Power scan
5-Select Band DCS1800 click OK
6-the cell frozen
7-wait for 3 minutes testing
8-while testing connect to a pc using the USB cable (do NOT select ANY of the options appearing on the cell screen)
9-Click the CENTER button of the cell until you go back to principal menu
10-go to settings/network settings and choose GSM Preferred or any other option (except WLAN only!!)

In this way the cell does not reboot, and the wifi application stays off, so the option can now be changed...

Hope this helps!

Greetings from Greece!

Posted on Sep 11, 2009

  • 4 Answers

SOURCE: "Not allowed to dial" new c5000 wi-fi phone

Guys I had the same problem with the k599 Sciphone and none of the solutions found on the internet helped me. New chinese models tend to restart after testing is over and this results in turning the wifi application on. So I spent many hours on thinking how to bypass this function and this morning I woke up with an idea that really worked!! The steps are quite similar with the ones followed to debug older models:

put 2 chips on cell
Disable WLAN.
1-enter in factory mode *#3646633#
2-go to RF Test Tool
3-choose GSM, confirm OK!
4-go to Power scan
5-Select Band DCS1800 click OK
6-the cell frozen
7-wait for 3 minutes testing
8-while testing connect to a pc using the USB cable (do NOT select ANY of the options appearing on the cell screen)
9-Click the CENTER button of the cell until you go back to principal menu
10-go to settings/network settings and choose GSM Preferred or any other option (except WLAN only!!)

In this way the cell does not reboot, and the wifi application stays off, so the option can now be changed...

Hope this helps!

Greetings from Greece!

e-mail me to akiss_bd@hotmail.com if any questions..

Posted on Sep 11, 2009

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1 Answer

Karbon k9 automatic switch off


sounds like you have it in power saving mode or perhaps airplane mode .

May 09, 2015 | Karbonn K9

1 Answer

I have a chinese iphone clone, I68 3g. It has a problem i'veseen mentioned alot on this site, where it reads "not allowed to dial" when i try to make a call. The setting is stuck in wlan only....


Hello. you can try *#337# and then the phone wll reboot. If not fixed then try:

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

02. Press the "call"-button and type in *#3646633#

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

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 (an eisai Cosmote bale GSM900) 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 cable!!!

11. Press the Menu button (second from the left, the one with the seven small dots on it) until you you 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"

14. The mobile will switch to your selection, but the message that it will stay 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

Nov 16, 2010 | Cell Phones

1 Answer

Why i can't access internet on psp


1.] Check if your wlan switch is turned on...
2.] Have your console scan for wifi connection through infrastructure mode in the internet settings option...
3.] If problems persist... You may have a defective wlan switch...

Oct 09, 2010 | Sony PlayStation Portable (PSP) Console

2 Answers

I have Karbonn KC750 Dual GSM/CDMA phone. While charging get the messgae "bad contact of charger" and charging stops.


Use original charger.check and clean middle point of battery.Sometimes when the current comes abnormally this problem occur.

Aug 15, 2010 | Cell Phones

3 Answers

M001 Phone when trying to make a call it says : NOT ALLOWED DIAL"


This is for another similar clone marked with the "vaio" name but it might be useful to someone out there. I found that by following solution one above (thanks Mrfixit) to step 6 as below and then following the second part of what I found at http://chinamobiles.org/archive/index.php/t-16088.html worked for me. I reproduce the steps below:

1. make sure to have 2 sims in phone(do not use 3g sims) 2. make sure wlan is disabled 3. enter engineer mode (type in *#3646633# 4.scroll up not down to number 10 RF test tool 5.choose gsm touch ok verify ok touch power scan 6.select band dcs 1800 press ok phone will go to test looking for DES(frequencies) wait until phone crashes or seems inactive

BUT THEN

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

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 only"

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

Sep 22, 2009 | Cell Phones

1 Answer

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


"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
items.

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
cable!!!

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
only"

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.

Sep 13, 2009 | Dual Electronics CECT P168 Cellular Phone

4 Answers

I am unable to change connection Network Setup > SIM1 network setup > Preferred mode I am stuck in "WLAN only". When I select "GSM" or "GSM preferred". The phone states "mode switching" and then...


Guys I had the same problem with the k599 Sciphone and none of the solutions found on the internet helped me. New chinese models tend to restart after testing is over and this results in turning the wifi application on. So I spent many hours on thinking how to bypass this function and this morning I woke up with an idea that really worked!! The steps are quite similar with the ones followed to debug older models:

put 2 chips on cell
Disable WLAN.
1-enter in factory mode *#3646633#
2-go to RF Test Tool
3-choose GSM, confirm OK!
4-go to Power scan
5-Select Band DCS1800 click OK
6-the cell frozen
7-wait for 3 minutes testing
8-while testing connect to a pc using the USB cable (do NOT select ANY of the options appearing on the cell screen)
9-Click the CENTER button of the cell until you go back to principal menu
10-go to settings/network settings and choose GSM Preferred or any other option (except WLAN only!!)

In this way the cell does not reboot, and the wifi application stays off, so the option can now be changed...

Hope this helps!

Greetings from Greece!

Sep 05, 2009 | Dual Electronics CECT P168 Cellular Phone

9 Answers

"Not allowed to dial" new c5000 wi-fi phone


Guys I had the same problem with the k599 Sciphone and none of the solutions found on the internet helped me. New chinese models tend to restart after testing is over and this results in turning the wifi application on. So I spent many hours on thinking how to bypass this function and this morning I woke up with an idea that really worked!! The steps are quite similar with the ones followed to debug older models:

put 2 chips on cell
Disable WLAN.
1-enter in factory mode *#3646633#
2-go to RF Test Tool
3-choose GSM, confirm OK!
4-go to Power scan
5-Select Band DCS1800 click OK
6-the cell frozen
7-wait for 3 minutes testing
8-while testing connect to a pc using the USB cable (do NOT select ANY of the options appearing on the cell screen)
9-Click the CENTER button of the cell until you go back to principal menu
10-go to settings/network settings and choose GSM Preferred or any other option (except WLAN only!!)

In this way the cell does not reboot, and the wifi application stays off, so the option can now be changed...

Hope this helps!

Greetings from Greece!

e-mail me to akiss_bd@hotmail.com if any questions..

Sep 03, 2009 | Dual Electronics CECT P168 Cellular Phone

11 Answers

"not allowed to dial"on f003 phone


hi mate,just follow these instructions 1. make sure to have 2 sims in phone(do not use 3g sims) 2. make sure wlan is disabled 3. enter engineer mode (type in *#3646633# 4.scroll up not down to number 10 RF test tool 5.choose gsm touch ok verify ok touch power scan 6.select band dcs 1800 press ok phone will go to test looking for DES(frequencies) wait until phone crashes or seems inactive(can take 3 to 15 min) press the end button (red one) phones with one middle button use that one phone will go off turn on phone and it will be reset to flight mode....(you can try to make call to verify,phone wil say cannot make call,not, not allowed to dial like before) go to settings and network setup,sim1 network setup,prefered mode and select gsm prefered...(phone will now change mode unlike before saying unfinnished) try the phone to make a call (should be no prob now) not finnished though .... go into settings again select restore factory settings (password 1122) wait for phone to restart...now its all done .....now you can change your tones and turn wlan on etc do not for any reason select wlan only or gsm only again...

Jul 19, 2009 | Dual Electronics CECT P168 Cellular Phone

14 Answers

Mi F003 show the error NOT ALLOWED TO DIAL tis is a video of the error: http://www.youtube.com/watch?v=bhJj21J6z_M Thank´s


Guys I had the same problem with the k599 Sciphone and none of the solutions found on the internet helped me. New chinese models tend to restart after testing is over and this results in turning the wifi application on. So I spent many hours on thinking how to bypass this function and this morning I woke up with an idea that really worked!! The steps are quite similar with the ones followed to debug older models:

put 2 chips on cell
Disable WLAN.
1-enter in factory mode *#3646633#
2-go to RF Test Tool
3-choose GSM, confirm OK!
4-go to Power scan
5-Select Band DCS1800 click OK
6-the cell frozen
7-wait for 3 minutes testing
8-while testing connect to a pc using the USB cable (do NOT select ANY of the options appearing on the cell screen)
9-Click the CENTER button of the cell until you go back to principal menu
10-go to settings/network settings and choose GSM Preferred or any other option (except WLAN only!!)

In this way the cell does not reboot, and the wifi application stays off, so the option can now be changed...

Hope this helps!

Greetings from Greece!

email me to akiss_bd@hotmail.com if any questions

Jun 30, 2009 | Dual Electronics CECT P168 Cellular Phone

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