An International Mobile Equipment Identity (IMEI) is used to uniquely identify GSM and iDEN devices on a network.

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How can I restore IMEI code after factory reset?

The phone is a Hero H2000 dual sim with Android v2.2.1, MTK Platform I get an Invalid IMEI error after a factory reset. How can I fix this?
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How to restore my IMEI on Galaxy S if I don't have a backup of /efs?

I installed CyanogenMod 10 Nightlies on my Galaxy S1, coming from CyanogenMod 9. On every reboot I get the message: Warning! A problem was detected with your device. Your device IMEI number is ...
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votes
3answers
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Where can I find the ANDROID_ID on my device?

I know that you can find IMEI and MAC address and others by going to Settings -> About phone -> Status. You can also find IMEI by typing *#06# on the keypad. Is there any way to get the ...
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votes
4answers
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I lost my phone but need to find it's IMEI. What places can I look?

I had a Nexus S but lost it or it was stolen. I need to find it's IMEI. I don't have the box or documentation either. I've checked exif data from photos taken with the phone. What other potential ...
3
votes
2answers
2k views

Why does an app read my phone's IMEI number? An awful lot of them do

What reasons should an app have to need my phone's International Mobile Equipment Identity number? I noticed that unreasonably many of ordinary apps have the "phone state and identity" permission. ...
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0answers
663 views

Invalid IMEI after factory reset

After factory reset my phone starts showing "Invalid IMEI" on both sim slots and I can't call or be called. What might be the problem? Android version; 2.2.1 , model: A601