Question Is a US sim card required to activate factory unlocked S21 Ultra before using it overseas? - Samsung Galaxy S21 Ultra

Hello everyone. I am planning to buy S21 Ultra Factory Unlocked in US Samsung store. Will it work directly on carriers in Pakistan or will I have to insert a US sim card first in order to activate it and only then I will be able to take it and use it in Pakistan? Someone had asked a similar question in this link below, although he is from India but can apply to Pakistan as well;
https://r2.community.samsung.com/t5/Galaxy-S/S21-series-from-USA-and-use-in-India/td-p/7397918
This is getting really confusing. 3 people have answered him that a US sim is required for activation even on a factory unlocked phone. Why would a factory unlocked phone require a US sim for activation first? Or is it not the case? Can anyone please help me out. Shall be grateful.

No I bought sealed from Samsung U1 version and put in my digicel Trinidad sim from day 1 and it works

death365 said:
No I bought sealed from Samsung U1 version and put in my digicel Trinidad sim from day 1 and it works
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Thanks for this reassuring reply.

Related

Unlock T.Mobile Galaxy S10 SM-G973U

Hello. I purchased an S10 in the USA from T-Mobile the phone is still being paid. I came to Portugal, is there any way to unlock it? If so, SIM card in Portugal will catch network, I will not have problems with it?
PUMPU said:
Hello. I purchased an S10 in the USA from T-Mobile the phone is still being paid. I came to Portugal, is there any way to unlock it? If so, SIM card in Portugal will catch network, I will not have problems with it?
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And can i unlock with a online website? Whats is the best one?

How to update LG v40 AT&T without AT&T SIM

so i bough this from amazon, im living in Costa Rica, and recently know there is an update to Adroid 10 and i try almost everything, until i discover that i need a AT&T sim to update ¬_¬", is there a way to do it without it? or, if i bough one from ebay or so, can i update it from here? thanks
Madness_logic said:
so i bough this from amazon, im living in Costa Rica, and recently know there is an update to Adroid 10 and i try almost everything, until i discover that i need a AT&T sim to update ¬_¬", is there a way to do it without it? or, if i bough one from ebay or so, can i update it from here? thanks
Click to expand...
Click to collapse
no you cant, only way is to get a sim card and this is for all carrier models. This is the reason why you buy LG's factory unlocked phone made from them and not branded.

Question Is the s21 ultra Vodafone UK, sim locked or unlocked?

Hi is the Vodafone UK sold sim locked or unlocked please?
marvi0 said:
Hi is the Vodafone UK sold sim locked or unlocked please?
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According to this information, yes:
How to unlock my phone | A guide to unlocking any phone
Want to unlock your mobile phone? We take you through the benefits, the risks and most importantly - how to do it with minimal hassle.
www.uswitch.com
Scroll down to "Vodafone - How to unlock a Vodafone phone".
It is unlocked. All pay monthly phones sold in the UK now are unlocked from day one. I've tested this on numerous phones in the past, and my Vodafone S21 Ultra. My work O2 sim works in it.

Question Region locking?

Just got my S21 Ultra from Amazon Germany. (I have to have dual SIM and HK version does not work in one of the countries I visit regularly). It does not have the usual sticker about having to make a 5 minute call with a European SIM to unlock it. Has Samsung abandoned the region-locking? I had not heard that anywhere.
I can only confirm that the HK version 9910 is dual SIM enabled and both work perfectly, if this helps you.

Samsung S20 FE 5G Canada version - Single Sim. Is it possible to make it Dual Sim?

So, I was gifted a brand new Samsung S20 FE 5G - unlocked but they did not know I still need my old sim to run some banking apps (so - need two sims running). The model number of the phone is SM-G781W which is a single sim model for Canada.
One of my network providers has e-Sim support. So, is it possible to flash the dual network firmware on this S20 FE?
Any comments?
Edit:
The sim tray has some 'ridges' in so as to not allow placing a second sim. May be a simple sim tray swap might work?
try looking on eBay for a sim tray. maybe you can flash unlocked US firmware, but don't get your hopes too high.
have Canadian firmware ready if needed.
3mel said:
try looking on eBay for a sim tray. maybe you can flash unlocked US firmware, but don't get your hopes too high.
have Canadian firmware ready if needed.
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What if I try the global dual sim version's firmware?
Edit: Thanks for the reply by the way! Appreciate it.
I would try U or U1 firmware (can't remember which is the unlocked one) over the international versions. the B firmware is more likely to have frequency differences.
Any luck with this project? I assume it would be possible, I peered into the SIM/SD slot and think I saw the hardware for the the second SIM above the SD hardware.
Also interested to know if this worked?
I also have the SM-G981W Canadian Variant. I just bought it yesterday, knowing that it had a faulty SIM reader slot that can only be replaced by taking apart the phone and resoldering. My newest phone prior to this one is a Galaxy S8, so I didn't know a lot about eSIM and had assumed I could just use eSIM and assumed very, very wrong.
I'm also wondering if I can flash international firmware to enable eSIM (I have no SIM card manager).
eljoantonyn said:
So, I was gifted a brand new Samsung S20 FE 5G - unlocked but they did not know I still need my old sim to run some banking apps (so - need two sims running). The model number of the phone is SM-G781W which is a single sim model for Canada.
One of my network providers has e-Sim support. So, is it possible to flash the dual network firmware on this S20 FE?
Any comments?
Edit:
The sim tray has some 'ridges' in so as to not allow placing a second sim. May be a simple sim tray swap might work?I
Click to expand...
Click to collapse
I don`t think You need other firmware. If the software detects esim it will just start to appear.

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