Samsung Galaxy J2 Pro SM-J250 Dual Sim mod - Samsung Galaxy J2 Questions & Answers

I bought a Samsung Galaxy J2 Pro SM-J250 thinking it would be dual sim and it was single sim
we really need dual sim here half the town picks up Optus and the other Half only picks up Telstra and only near the hospital does Vodafone work
I popped off the cover hiding the other sim cards pads does anyone know if i solder on a reader that it would work > ?

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Dual SIM mode???

Did anybody test the MagicSIM dual sim adapter or any dual SIM adapter working on Galaxy nexus? I want to use T-mobile and AT&T on a adapter can hot switch ...
did anyone have it and test it???

Has anyone got their T-Mobile S iii working on "Straight Talk"?

On Straight Talk's web site the T-Mobile SIM option is still limited to the full size SIM card. They don't have the S iii's micro SIM card available yet.
1. Has anyone purchased the full size "Straight Talk" SIM and cut it down to the S iii's mircro SIM size?
Or
2. Has anyone purchased the AT&T "Straight Talk" micro SIM and used that in the T-Mobile S iii?
As far as cutting SIM into microSIM - I did it.
As far as running StraightTalk T-Mobile on AT&T - tried, network doesn't show up. On my unlocked Galaxy I Captivate I can see 2 Straighttalk networks.
bravomail said:
As far as cutting SIM into microSIM - I did it.
As far as running StraightTalk T-Mobile on AT&T - tried, network doesn't show up. On my unlocked Galaxy I Captivate I can see 2 Straighttalk networks.
Click to expand...
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What did you use to cut yours?
I just bought galaxy s3 from Costco still waiting for the phone to arrive. I also purchased a straight talk mini sim card for tmobile. I bought a micro sim card cutter from amazon. So my plan is to cut the mini sim card to make it a micro sim card. But just go to amazon and search for micro sim card cutter.
Sent from my SAMSUNG-SGH-I717 using Tapatalk 2

tmoble compatiility

will t mobile 4g after i unlock this phone ....
also will the at&t one x wok with t mobiles 4g service after i unlock it
Bump
I also want to know if the international one x Quad core will work with US Tmobile?
Vibrant MiuiV4 360° Productions
it will work but u will only get edge/2g unless u live in an area where tmo already refarmed the 1900mhz spectrum.. just wait for tmo to release their new one x plus
Sent from Mars
You might also need a non-gba micro sim for EDGE to work on tmobile. Wasted a lot of time looking for it as they are discontinued. You might get lucky and find one still sitting at a tmobile store. The card holding the micro sim would be blank instead of a photo that tmobile usually prints on the card. And also look for the 50.01 printed on the edge of the micro sim itself. Had a relative with this problem so we just cut his old sim since he hadnt switched to a gba SIM yet.
My newer micro sim did not allow me to save the Tmobile apn . Switched it to my wife's older sim that I cut down to a micro for her iphone. Entered the T-Mobile APN hit the save button and of course it worked. I was then surprised when I switched my sim back in and it still worked. Had a few 50.01 SIMS ready but did not have to cut any down and call T-Mobile to switch them.
Sent from my One X

Dual SIM tray

Hey I see that you can use a dual SIM card tray... Where do you get them from ?
Thank you
Edit I have 5g version if that matters
Update - I have UK on ee 5g pro but SIM tray will only take one SIM it's not double sided.
i bought one from ebay
just search for oneplus 7 pro sim tray
I don't think the 5g model will take 2 sims. (Noticed your 2nd post so you presumably already know this )
I don't know if the 5g is dual SIM how can I find out? It has no settings in UI for a 2nd SIM
Anyone know if the 5g version is dual SIM... Two different people say two different things.
Regards
has anyone checked this out for the 5G version yet? might just order one and try it.
The 5G model can do dual-SIM, but you will lose 5G. You literally would have to flash it do a different firmware to achieve this or hope for someone to create a ROM with the 5G firmware that enables dual-SIM. The hardware is capable of dual-SIM, it's just disabled in the 5G firmware.
eBay: https://www.ebay.com/itm/New-OEM-Du...var=522291973382&_trksid=p2057872.m2749.l2649
Due to arrive in 7 to 10 days.
Update: it works perfectly!
How did you get.it to work

Samsung Galaxy Note 10+ flashing

Hi All,
Can i flash my USA Tmobile Samsung Galaxy Note 10+ SM-N975U (USA) with SM-N975F/DS (Global) to activate dual sim functionality on my USA TMO phone?
As far as i know i need to replace the sim tray after flasing the phone with global rom to get second sim working as default sim tray doesnt allow you to fit second sim on the tray.Any thoughts on this?
Sumit42662 said:
Hi All,
Can i flash my USA Tmobile Samsung Galaxy Note 10+ SM-N975U (USA) with SM-N975F/DS (Global) to activate dual sim functionality on my USA TMO phone?
As far as i know i need to replace the sim tray after flasing the phone with global rom to get second sim working as default sim tray doesnt allow you to fit second sim on the tray.Any thoughts on this?
Click to expand...
Click to collapse
No. They are two different devices. Even if you managed to flash F/DS firmware to your U, you would just end up with am $1100 brick.
And there's no way to "activate" the second SIM. It's not present in the U devices. Again, even if it were, there's no IMEI for it, so it would be useless.

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