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[Q] is it safe to delete everything on a 2nd hand phone - including system folders

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By temp4285, Junior Member on 10th March 2014, 12:08 PM
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Hi - i bought a 2nd hand phone and in case there is any spyware on it, i want to delete everything on it, including all the system folders using clockwork mod. is this safe?

i am wondering, will the imei numbers be preserved ? (ie, are they actually written on a chip that is read only, or are they in the system folders too?) i am wondering this with a few model phones --- galaxy nexus (which i believe does get the imei reset), sony xperia t, nexus 4, etc
 
 
10th March 2014, 01:40 PM |#2  
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Quote:
Originally Posted by temp4285

Hi - i bought a 2nd hand phone and in case there is any spyware on it, i want to delete everything on it, including all the system folders using clockwork mod. is this safe?

i am wondering, will the imei numbers be preserved ? (ie, are they actually written on a chip that is read only, or are they in the system folders too?) i am wondering this with a few model phones --- galaxy nexus (which i believe does get the imei reset), sony xperia t, nexus 4, etc

just boot into recovery, and do format, wipe data, etc.
10th March 2014, 02:06 PM |#3  
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Quote:
Originally Posted by Kobro

just boot into recovery, and do format, wipe data, etc.

Never Try to delete system folders on your phone you will surely get a brick and no one would be able to fix it....

Just Go to setting and find Factory Reset Option that would be the solution to your question...

Hit thanks if i helped......
10th March 2014, 03:52 PM |#4  
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Quote:
Originally Posted by N'ayam Amarsh'e

Never Try to delete system folders on your phone you will surely get a brick and no one would be able to fix it....

Just Go to setting and find Factory Reset Option that would be the solution to your question...

Hit thanks if i helped......


yes, but surely someone can leave a virus or eavesdropping tool in the system folder ?

i plan to put a custom rom on after that anyway - so is it safe to remove the system folder ?

the only thing i can see that may cause problems is the IMEI number ?
11th March 2014, 10:02 AM |#5  
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Quote:
Originally Posted by temp4285

yes, but surely someone can leave a virus or eavesdropping tool in the system folder ?

i plan to put a custom rom on after that anyway - so is it safe to remove the system folder ?

the only thing i can see that may cause problems is the IMEI number ?

if you wipe with cwm it will erase everything that can be safely erased.
12th March 2014, 09:19 PM |#6  
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Originally Posted by Kobro

if you wipe with cwm it will erase everything that can be safely erased.

not true - because if you delete the system folder - which you can - on some phones the imei resets, i believe, to something generic

any thoughts anyone ?
13th March 2014, 04:24 AM |#7  
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If you delete a folder that the os needs, it will rebuild it when it boots
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