How windows phone removed from my account without my presence?

[Windows Central Question]

My windows mobile(Microsoft Lumia 535) was stolen on last month. so i tried to find the location by 'Find My Windows Phone' option from my Microsoft account. but it was not updated after that. so i was monitoring the location & time frequently. but unfortunately without my presence, the device was removed from my account on last week. i don't know how it is possible. based on that, i have some questions. please clarify.

1) How was the device removed from my account without my presence?

2) If factory reset done on that mobile, will the registered account be removed?

3) Is it possible to use Windows Phone without registering account?

4) After factory reset, if register new MS account, will the system notify to last account user by mail? if not, how to find that newly registered account?

5) Is it possible to change Windows Phone IMEI number?

6) Any options to track that IMEI or newly registered account?

Please clarify.

 

[abhishek singh21]

1) How was the device removed from my account without my presence?

had reset or by firmware flash using WDRT.

2) If factory reset done on that mobile, will the registered account be removed?

yes

3) Is it possible to use Windows Phone without registering account?

no, without registering you wont be able to download apps or use any. the phone services will be limited to only calls and messages.

4) After factory reset, if register new MS account, will the system notify to last account user by mail? if not, how to find that newly registered account?

no, it doesnt

5) Is it possible to change Windows Phone IMEI number?

no, not possible.

6) Any options to track that IMEI or newly registered account?

you can take help of police for IMEI tracking otherwise no you cant.

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[ramnivas t]

Thanks for your answer.
How MS maintain the account with device, using IMEI?

If the device added to new account why it is not sending any mail to last user?

If they maintain the device history for an account why i cannot see my device history.

Why many gaps in the process?

Any possibility find new registered account?

 

[Lee Power]

Report the phone stolen to your mobile operator so they can block the IMEI number making the phone worthless. Lumia 535 doesn't have reset protection built in which would have stopped it being reused by someone else without your permission.

 

[xandros9]

My windows mobile(Microsoft Lumia 535) was stolen on last month. so i tried to find the location by 'Find My Windows Phone' option from my Microsoft account. but it was not updated after that. so i was monitoring the location & time frequently. but unfortunately without my presence, the device was removed from my account on last week. i don't know how it is possible. based on that, i have some questions. please clarify.

1) How was the device removed from my account without my presence?

2) If factory reset done on that mobile, will the registered account be removed?

3) Is it possible to use Windows Phone without registering account?

4) After factory reset, if register new MS account, will the system notify to last account user by mail? if not, how to find that newly registered account?

5) Is it possible to change Windows Phone IMEI number?

6) Any options to track that IMEI or newly registered account?

Please clarify.

1. Probably was erased and used with another.
2. Yep.
3. Yes, reset protection was not available until Windows Phone 8.1 Update 2, which Microsoft did not release to most devices for unknown reasons. It remains a feature on Windows 10 Mobile for the time being.

4. I'm not sure, I doubt it.

5. It's probably technologically possible but likely illegal. If I were stuck with a bad IMEI phone, I'd either part it out or use it as an iPod touch.

6. Not that I know of.