Transfer call blocklist

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sam_son

Member
Sep 6, 2019
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gitlab.com
Hello everyone,

I've used Samsung's Smart Switch several times, to transfer my data from one phone to another. But Smart Switch always fails to transfer my call blocklist, so I have to type the list by hand all over again.

Is there a better way to do this? Via an android app, or even via adb commands? Without root of course.

Thank you.
 

Youdoofus

Retired Forum Moderator
Feb 21, 2011
3,507
1,023
Sioux Falls, SD
Samsung Galaxy S9
always fails to transfer my call blocklist, so I have to type the list by hand all over again.
Thank you.

i edited my quote to show just the part that makes me believe that you dont have these phone numbers saved as contacts on your phone. If that is the case, then android doesnt know to transfer the fact that you blocked those numbers not associated with an entry into your contact list over to a different device. Im betting that if you add a single contact on your old phone and then tack all the blocked numbers on to that number, then itll work. You might have to add a few new contact entries as im unsure about how many phone numbers you can add to each contact, but im sure you get the idea.

also, if youre blocking phone numbers of people who youd rather not see their name on your phone, you can make a contact called whatever you like such as "mortuary" or "FBI 'nobody wants' list" and add whatever numbers you need on to that contact
 
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sam_son

Member
Sep 6, 2019
26
9
gitlab.com
First of all, thanks for taking the time to answer to my question.

Indeed you are right, I am not talking about the Contacts. This is the blocklist in the Phone app. (in older devices it was called Auto reject list, now its called Block list).

Adding phone numbers in the block list does not require a Contact to exist. Adding numbers in the block list is easy, during an incoming call the "block" button adds the incoming call to the list and rejects the call at the same time.

Unfortunately, Smart Switch does not transfer this list, hence my post.

I will try what you suggest and create contact that contains blocked numbers, though I'm not sure how to transfer them from the Phone app to the Contacts app. Lets see...
 

Youdoofus

Retired Forum Moderator
Feb 21, 2011
3,507
1,023
Sioux Falls, SD
Samsung Galaxy S9
First of all, thanks for taking the time to answer to my question.

Indeed you are right, I am not talking about the Contacts. This is the blocklist in the Phone app. (in older devices it was called Auto reject list, now its called Block list).

Adding phone numbers in the block list does not require a Contact to exist. Adding numbers in the block list is easy, during an incoming call the "block" button adds the incoming call to the list and rejects the call at the same time.

Unfortunately, Smart Switch does not transfer this list, hence my post.

I will try what you suggest and create contact that contains blocked numbers, though I'm not sure how to transfer them from the Phone app to the Contacts app. Lets see...

once you have the contact stored, youd just export the vcf file to wherever it needs to go. also, i know the blocked call feature is pretty nice, i rarely use it, but im betting samsung overlooked the passing of blocked caller info with smartswitch. One would have to imagine that the blocked numbers list gets stored somewhere on the phone. Hopefully its not in a root protected folder. Best of luck!
 

sam_son

Member
Sep 6, 2019
26
9
gitlab.com
Interesting... the vcf export file is missing some information from my Contacts, like the associated image (the one in the vcf is a small thumbnail only). Seems like this method is even worse than Smart Switch.
 

Youdoofus

Retired Forum Moderator
Feb 21, 2011
3,507
1,023
Sioux Falls, SD
Samsung Galaxy S9
Interesting... the vcf export file is missing some information from my Contacts, like the associated image (the one in the vcf is a small thumbnail only). Seems like this method is even worse than Smart Switch.

i cant say that im at all familiar with the contents of the VCF file itself. I would have thought that the VCF file was pretty basic as its been the standard for a decade
 

sam_son

Member
Sep 6, 2019
26
9
gitlab.com
Well, version 4 of the standard (RFC 6350) clearly states the use of a URI which may be a remote URL or a base64 encoded string, but does not impose any resolution limits.

For whatever reason, Samsung hides the Contacts high-res photos within a root-accessible directory and the exported VCF file contains a small thumbnail as a base64 encoded string. Of course there is a big loss of other data as well. For example historical logs of all the Contacts. I'm guessing VCF export is not a real solution for moving to a new phone, but a solution for sharing contacts.

Maybe "adb backup" is more effective? hmmm... food for thought
 

jpp604

Member
Feb 8, 2018
20
2
First of all, thanks for taking the time to answer to my question.

Indeed you are right, I am not talking about the Contacts. This is the blocklist in the Phone app. (in older devices it was called Auto reject list, now its called Block list).

Adding phone numbers in the block list does not require a Contact to exist. Adding numbers in the block list is easy, during an incoming call the "block" button adds the incoming call to the list and rejects the call at the same time.

Unfortunately, Smart Switch does not transfer this list, hence my post.

I will try what you suggest and create contact that contains blocked numbers, though I'm not sure how to transfer them from the Phone app to the Contacts app. Lets see...

I didn't migrate for me as well.

I have tried adding the blocked number to my contacts, but it it not migrated to the blocked list on my new phone. Have you managed to migrate it?

JP
 

sam_son

Member
Sep 6, 2019
26
9
gitlab.com
Unfortunately, even the latest Smart Switch, does not support migration of the block list :(

So far, I haven't found a way to backup the list, it has to be done manually.



I didn't migrate for me as well.

I have tried adding the blocked number to my contacts, but it it not migrated to the blocked list on my new phone. Have you managed to migrate it?

JP
 
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