Question about LG U880 Cellular Phone

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*#3646633# for engineer mode

I used the code *#3646633# for engineer mode to my io sound i009 phone and selected high speed sim option on then it suddenly switched off and its not starting i mean not switching on again plz tell me the solution

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

ipodslinger
  • 688 Answers

SOURCE: i used the code *#3646633# for engineer mode to my

take the battery out and put it back in

Posted on Jun 06, 2009

sachin_wagh2
  • 2 Answers

SOURCE: high speed sim option

how recover my handset

Posted on Jun 26, 2009

  • 2 Answers

SOURCE: Sigmatel Mobile S90 Power off and not starting

I entered the Engineer mode and selected the 5th option i.e Misc and the selected the 2nd option i.e. High speed sim and turned it on. My phone turned off after 3 sec and is not restarting, insted it is blinking only. Please help as soon as possible

Posted on Mar 20, 2009

  • 12 Answers

SOURCE: high speed sim in engineer mode has made my phone dead

You have bricked your phone. It needs to be reflashed with firmware. Good luck

Posted on Aug 17, 2009

Buntydcmc
  • 121 Answers

SOURCE: SIGMATEL S18 GOES OFF WHEN I TURN ON HIGH SPEED SIM

if u have et-box then conect with it & format FFS fault will o.k. 100% sure .if u dont understand then contact me

buntydcmc@gmail.com(+919828200222)

Posted on Aug 19, 2009

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1 Answer

When I activated high speed sim mode in my sigmatel s90 it get powered off.Now when I try to switch it on it blinks only.PLZ HELP ME WHAT TO DO?


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and on switching it on its keypad just blink

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High speed sim in engineer mode has made my phone dead


You have bricked your phone. It needs to be reflashed with firmware. Good luck

Jun 12, 2009 | Samsung SCH-U470 Juke Cellular Phone

3 Answers

Sigmatel Mobile S90 Power off and not starting


I entered the Engineer mode and selected the 5th option i.e Misc and the selected the 2nd option i.e. High speed sim and turned it on. My phone turned off after 3 sec and is not restarting, insted it is blinking only. Please help as soon as possible. hi,
I tried secret code (*#3646633#) on my SIGMATEL S9 mobile display showpower of in 3 sec. after my mobile not booting (switch on or nocharging)
Help me... please..

Feb 21, 2009 | Lands Phones

1 Answer

SIGMATEL S18 GOES OFF WHEN I TURN ON HIGH SPEED SIM


if u have et-box then conect with it & format FFS fault will o.k. 100% sure .if u dont understand then contact me

buntydcmc@gmail.com(+919828200222)

Jan 28, 2009 | Samsung SCH-U470 Juke Cellular Phone

2 Answers

Sigmatel Mobile S90 Power off and not starting


I entered the Engineer mode and selected the 5th option i.e Misc and the selected the 2nd option i.e. High speed sim and turned it on. My phone turned off after 3 sec and is not restarting, insted it is blinking only. Please help as soon as possible

Nov 17, 2008 | Samsung SCH-U470 Juke Cellular Phone

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Sigmatel phone doesnot switch on


I am going to enginearing mode Service code *#3646633# And going to high speed Sim option is On then a massege is come in my screen power of 3 secound then Set is turn of And set is dead.Please help me.

Sep 04, 2008 | Handmark Software MobileLists (950142) for...

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