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

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1answer
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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?
6
votes
3answers
71k views

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 ...
10
votes
4answers
13k views

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 ...
0
votes
2answers
5k views

Nexus 5, IMEI 0, how to restore IMEI?

I dropped my old Nexus 5 on asphalt, and the phone display crashed. I made a backup, buy new phone, and restored the backup on it. But I did not know that before restoring I must take a backup of ...
9
votes
4answers
4k views

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 ...
2
votes
3answers
2k views

How to restore the IMEI number on the Samsung Galaxy S4 I9505? (IMEI=Unknown, Baseband=Unknown, Sim Card Not Detected)

Information: Hello, I lost my IMEI number on my Samsung Galaxy S4 GT-I9505 today and I would like to restore my original IMEI back to my phone. I still have my original IMEI of my phone written down. ...
3
votes
2answers
3k 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. ...
0
votes
0answers
12 views

Nexus 5, IMEI 0 shows, how to restore original IMEI? [duplicate]

I upgraded to 4.4.4 on my newly bought Nexus 5 (D821) but since then the IMEI appears as "0". I have factory reset several times to see if it resolves the problem but nothing changes. What can I do ...
0
votes
0answers
903 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