IMEI No Hi I am using sigmatel s90 mobile handset with dual sim card, but from 1 week my sim 2 slot is not working, it shows invalid sim. I tried enterchanging the sim card, sim card is ok, but sim 2 card slot is not working, every time it shows invalid sim. What should i do ? Please help me
When u press *#06# your phone shows imei and imeisv no. , so actually only one sim has a valid imi no. so u have to to a valid imei installation shop n have to get a valid imei installed
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Your phone is a Dual Band, it only works with 900/1800mhz. Make sure that the Sim install in the second Sim slot work for these bands here. Other wise it won't work. Another problem could be the imei number, most of the time it can be resolve by changing the imei number for the second Sim slot, but is kind of hard.
Sir I have SIGMATEL T99/S90 mobile. Accidently its flight mode has been activated.
Now I am unable to make any call. Menu button is not working while shortcut keys are
working properly. I am unable to bring my phone to normal mode. Please help me
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