Go Back   Android Forums > Android Discussion > Android Lounge
Android Lounge A place for general Android discussion and questions.

Get excited for the Samsung Galaxy S5! Find everything you need and discuss it in our Galaxy S5 Forum!

test: Reply
 
LinkBack Thread Tools
Old February 20th, 2013, 10:18 AM   #1 (permalink)
Senior Member
Thread Author (OP)
 
gtbarry's Avatar
 
Join Date: Jul 2012
Location: California
Gender: Male
Posts: 1,843
 
Device(s): Nexus 5 (US - GSM) and Nexus 7 (2013). All stock
Carrier: t-mobile (USA)

Thanks: 132
Thanked 701 Times in 520 Posts
Default google account sign in and relation of SIM card

Just curious really....

A friend recently purchased a used android phone from ebay. The person who sold it to him accidentally left their SIM card (or a SIM card) in it when they sent it to him. Nothing nefarious. He sent the SIM back without even contacting him about it first or trying to see if it was a working SIM.

Now, I know that if it was an active SIM the person could easily just cut service to the card. But he asked me and got me wondering, if he signed in with his google account on that phone, what would happen regarding the SIM? Would it be his phone with his apps and gmail, etc but with a different number? That is my guess...but if so, what would happen with text messages, google voice, etc?

Thanks!

gtbarry is online now  
Reply With Quote
sponsored links
Old February 20th, 2013, 10:46 AM   #2 (permalink)
Senior Member
 
Join Date: Jan 2013
Posts: 3,444
 
Device(s):
Carrier: Not Provided

Thanks: 45
Thanked 828 Times in 744 Posts
Default

When I switched SIMs in my last phone, I didn't have to log into my Google account again, so I'm going to say that the phone would still be linked with the previous owner's account until your mate switched it to his account.

I'm guessing the same would apply for any other accounts - e-mail, FB, Twitter etc - that the phone logs into automatically.

Sounds like the vendor was pretty lucky he sold the phone to someone honest.

Of course, even if the vendor had done a factory reset, it wouldn't have hidden everything from a determined hacker - SD memory is notoriously insecure: the way it works is to create a copy of data every time you edit something. Even running a shredder over it doesn't actually remove the data.

I've always said that to be safe, before you sell a phone you should really hit it with a brick. Several times. Then burn it.
SiempreTuna is online now  
Reply With Quote
The Following User Says Thank You to SiempreTuna For This Useful Post:
gtbarry (February 20th, 2013)
Old February 20th, 2013, 10:47 AM   #3 (permalink)
Senior Member
 
ExtremeNerd's Avatar
 
Join Date: Aug 2012
Location: STL
Gender: Male
Posts: 744
 
Device(s): SGS 3, HTC Glacier, Skypad A2, Viewsonic G Tab
Carrier: T-Mobile

Thanks: 51
Thanked 237 Times in 148 Posts
Default

Quote:
Originally Posted by gtbarry View Post
Just curious really....

A friend recently purchased a used android phone from ebay. The person who sold it to him accidentally left their SIM card (or a SIM card) in it when they sent it to him. Nothing nefarious. He sent the SIM back without even contacting him about it first or trying to see if it was a working SIM.

Now, I know that if it was an active SIM the person could easily just cut service to the card. But he asked me and got me wondering, if he signed in with his google account on that phone, what would happen regarding the SIM? Would it be his phone with his apps and gmail, etc but with a different number? That is my guess...but if so, what would happen with text messages, google voice, etc?

Thanks!
Simple explanation, the SIM card is not connected to your Google account. The SIM card is solely tied to your carrier account. Your guess is spot on. It would have the other person's phone number, if active. Text messages are tied to the device, so they may be there as well. I would always suggest doing a full wipe before he sets up the device to remove any traces of the previous user.
__________________
The Commandments of Android
1) Open RAM is wasted RAM - Don't use Task Killers
2) Cheap devices are cheap for a reason. Don't expect high end performance.
3) Boot Loop = Wipe.
4) There are no viruses for android.
ExtremeNerd is offline  
Reply With Quote
The Following User Says Thank You to ExtremeNerd For This Useful Post:
gtbarry (February 20th, 2013)
Reply


Go Back   Android Forums > Android Discussion > Android Lounge
Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On



All times are GMT -5. The time now is 10:01 AM.
Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.