Wiping mobile phones

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Red17

Veteran
Location
South London
I have a couple of old mobiles that I was going to donate to a local charity shop, but was wondering about the best way to ensure that any personal data is wiped.

What is the best way to go about this?
 

T4tomo

Legendary Member
I have a couple of old mobiles that I was going to donate to a local charity shop, but was wondering about the best way to ensure that any personal data is wiped.

What is the best way to go about this?

"reset to factory settings" - that wipes everything. google how to for your particular phone.
 

Electric_Andy

Heavy Metal Fan
Location
Plymouth
I have a couple of old mobiles that I was going to donate to a local charity shop, but was wondering about the best way to ensure that any personal data is wiped.

What is the best way to go about this?

Yes factory reset should do it. It will probably be in your settings menu. I'm doing the same thing, but just to be sure I'll Uninstall my banking apps first, and remove cards from my wallet. Probably not necessary but will make me feel better.
 

T4tomo

Legendary Member
Yes factory reset should do it. It will probably be in your settings menu. I'm doing the same thing, but just to be sure I'll Uninstall my banking apps first, and remove cards from my wallet. Probably not necessary but will make me feel better.

you'll probably find that the factory reset removes any additional apps you installed anyway.
 

Dave7

Legendary Member
Location
Cheshire
I have a couple of old mobiles that I was going to donate to a local charity shop, but was wondering about the best way to ensure that any personal data is wiped.

What is the best way to go about this?

Good question.....I have the same problem.
 

Dogtrousers

Kilometre nibbler
If you restore to factory settings that should be OK but if you are risk averse/ paranoid/ an international criminal then once you've done that there are apps that can get rid of data hanging around in free space. Just Google something like wipe android app. Whether they work or whether they put all the data they find up for sale on the dark web I don't know.

If it's an apple phone you have to go to apple HQ and place the phone on the shrine to Steve Jobs. One of the priests will help you.
 

Electric_Andy

Heavy Metal Fan
Location
Plymouth
Whether they work or whether they put all the data they find up for sale on the dark web I don't know.
That's what I was just going to say. And why I'll leave mine at factory reset. It would be a very clever way to harvest data, from people trusting an App to delete their data!
 

markemark

Über Member
Having worked in hi tec crime and seen what can be extracted from a factory clean phone...

Wipe it with a lump hammer.

Indeed. Factory resets just reset the file allocation flags. The data is there until it is overwritten. The OS can’t see it but someone with the correct software can see it.
Nobody will be able to use it…apart from very dedicated technicians who can restore wiped phones. It’s why old hard drives are physically destroyed for complete security.
 

Dogtrousers

Kilometre nibbler
Having worked in hi tec crime and seen what can be extracted from a factory clean phone...

Wipe it with a lump hammer.

In my long and varied career of pretending to know about things I spent a while pretending to know about digital evidence management/chain of custody. Some of it was a real eye opener, but most of it was very dull so I drifted off to pretend to know about something else.
 
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Red17

Veteran
Location
South London
Just tried a factory reset on a couple of Samsung phones, and it's not clearing all of the apps or data. There is probably nothing too sensitive on there, but may have a think about the club 🔨 option just to be safe
 

vickster

Legendary Member
Just tried a factory reset on a couple of Samsung phones, and it's not clearing all of the apps or data. There is probably nothing too sensitive on there, but may have a think about the club 🔨 option just to be safe

Samsung bloatware? Not sure how/if you remove. All phones come with standard apps on the phone (varies by manufacturer/model)
 
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