Question about Motorola Mobility C168 Cellular Phone

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Sim error on screen

This is my husband's phone, so i don't know when this started. but i took out the battery and sim card, reinserted it, restarted it. but only SIM error on screen.. would not go to home screen. is the sim card corrupted?

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  • tameme Sep 11, 2008




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This is my phone, so i don't know when this started. but i took out the battery and sim card, reinserted it, restarted it. but only SIM error on screen.. would not go to home screen. is the sim card corrupted?
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Posted on Jul 12, 2008


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Posted on Jan 02, 2017


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My phone always restarting nokia 6300

  1. Remove the battery, the SIM and the microSD card.
  2. Using a different and known to be good fully charged battery, reinsert the battery and restart the mobile.
  3. If the problem appears to be fixed remove the battery and reinstall the SIM and the battery. Restart.
  4. If the issue is still fixed reinstall the microSD card.
  5. If the initial restart did not fix the issue the problem is with the mobile and will require repair or replacement.

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How to repair cellphone if it fell into water ?

1.Take the cell phone out of the water switched off the cell phone, take out the battery and SIM card from the cell phone.
2.Use the vacuum cleaner for around 25 minutes to dry the cell phone.Do not use microwave or a hair dryer to dry the cell phone. While microwave can literally burn the components & hair dryer can force moisture into the components.Don’t take the vacuum cleaner too close to the cell phone as this can again cause damage to the micro components.
3.Remove the moisture from the Cell phone by open it and keep it on a dry tissue paper or napkin for 6 – 8 hours or use BHEESTIE Bag.Reinsert the battery & SIM.
4. restart the cell phone. If the cell phone still shows up issues or doesn’t start go to service centre.

Please Vote for this Tip if you found it helpful….

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My smart roaming sim lost its signal..i dont know why but still it has a remaining balance..what should i do??

You can powercycle your phone. Turn off phone,remove the sim card,memory card, and battery. Wait for at least 5 minutes then after 5minutes,you can put back the sim card,memory card at battery. Try to check if your roaming card will again work. If this doest work you need to contact smart telecommunications and ask them to deactivate then reactivate the roaming of your sim. Because if your sim wont work,there will be no access for you to retrieve the load of your sim.

Dec 02, 2011 | Cell Phones

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I have a W508 Sony Ericsson Next G handset and can't find the manual showing how to re insert the sim card. My husband took the sim card out to put in another phone and now I am not sure how to reinsert.

Please click on the link below to download the manual alternatively you can call 0357711277 to get user manual for sony ericsson phone.

May 02, 2011 | Sony Ericsson Cell Phones

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When i try to put on the phone it tells me the star-up has failed i should contact the retailer

Yes, you should. Or before that you can check whether it is your battery problem by reinserting your battery and switching on your phone. Or checking if it is your sim card error, by reinserting your sim card into the phone. Start-up failed usually is related to software and hardware, thus bringing your phone back to the retailer for servicing would be the best option.

Mar 12, 2011 | Cell Phones

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Where is the sim card slot located?

The slot that holds your SIM card is most likely behind your cell phone's battery. If you get a SIM card error on your phone, you should turn off your phone and reinsert your SIM card.

Oct 06, 2010 | Cell Phones

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Slight water damage

Most probably the motherboard is damaged or some components are shortened out. You may try to take out the battery, SIM and memory cards and let it dry in sun for 1 day. Then put in the battery and then check again. If it still fails to start - you need to get it check by some qualified tech.

May 24, 2010 | Motorola Mobility i835 Cellular Phone

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My samsung Im pression touch screen is not always there a quick fix for this(ie. battery) or will i need to send it for repair....if it needs repair, what is the cost range?

try to do these steps, and bring your phone back to it's factory settings. make sure to remove your sim and memory card. please take a note that if your phone is under warranty, you may choose not to follow this, hence bring your phone to your nearless service center.
to make a hard reset...
1. switch off your phone
2. remove your battery
3. remove sim and memory card
4. reinsert battery and switch your phone on
5. while your touchscreen is working, type the code
*2767*3855# to set it back to its factory settings.
6. after a successful hard reset, remove battery and reinsert sim and memory card, reinsert battery and switch on and check.
7. play with your phone by doing reconfiguring it to your settings and check.

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How to reset my i900 with password

you have probably cut a system files and the phone could not find the location.
try these troubleshooting.
>>switch off your phone, remove your battery and remove your sim card and also your sd card.
>>reinsert your battery and switch your phone on. if it didn't ask for password, then you have to reset it to factory settings, or you may want to back up your contacts first through NPS on to your pc. after you had backed it all up, try to make a hard reset or factory reset by typing this to your keypad, *2767*3855#. let me remind you that you will lost all your settings, but this will help you reinstall the firmware and correct errors which the phone encountered.
>>after hard reset, reinsert again your sim, sd card, battery and switch it on. if it still gives you problem then go to your nearest service center and have it checked. it may be needing a firmware reflash, the same way after you had remove your sim and sd card and reinserted the battery and it ask you for the same passcode and the unlock key is not functioning, it only means of firmware failure because of a system file relocation.
try not to touch anything from the device folder and delete some system files the next time..


Feb 23, 2010 | Samsung SGH-i900 Omnia Unlocked Cellular...

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Headset icon

Here's how I fixed the damn headset thang on my Nokia.

Take out the SIM card and start the phone *WITHOUT* the SIM card.
Wait until the phone's screen says, "insert SIM card."
Wait a minute, then re-insert the SIM card, and re-start the phone.
Voila, the horrid headset symbol is gone (I hope).
Do it a few times if it doesn't take the first time (although, it did on mine).

Hope this works for you, because hell, that headset setting is a real beyatch when you *don't* want it. ;)

Apr 05, 2008 | Nokia Consumer Headset

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