If I unlocked my phone to any carrier and inserted a different carrier SIM that I no has already got the updates would I start to receive updates from that carrier or does it not work like that lol
How do I physically remove my carrier from my phone?
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Is it possible to use other carrier SIM cards with an unlocked D850? I am currently traveling and don't want to pay the usury ATT rates on international data and voice. Bought a SIM from a local carrier but am getting asked for SIM network unlock code. I am assuming that until the bootloader is unlocked there is nothing that can be done about this.
Bootloader lock has nothing to do with sim lock or network lock. In order to sim unlock your device you could go ebay and search after lg g3 unlock code, follow the instructions provided and then you could use any sim, any network you want with your device.
Yup, unlocked for use on other networks and an unlocked bootloader are two completely separate things.
If you need an unlock code, I don't have personal experience, but I have friends who have reported success with imei-unlocker.com
Strange behavior, cannot understand whether my phone is internationally locked or unlocked. Try to use it in Europe with GSM card. No bars, but the phone also doesn't say invalid simcard.
I didn't get it from Sprint, so I cannot call them to unlock. Is there another way to check if its locked or not?
I was recently informed by a mobile carrier rep that all models of the S8 are already unlocked and I have been reading around that it supports both GSM and CDMA on a single device. I am using AT&T (a GSM carrier) but their service around my location in near no existent and I am trying to switch over to Verizon or US Cellular which are CDMA carrier. I'm looking for some confirmation on this and the steps i would need to take to switch providers and keep the same phone. I have. I know that the United States models can be flashed to a different carriers official software but would this be necessary?
They are all the same hardware and all support the same radio bands. Depending on your carrier and which firmware you're running, some features may or may not work on all carriers. I'm not sure about your AT&T version, but the T-Mobile versions come carrier locked. They must be paid off and activated on T-Mo for 40 days before they will unlock it. I believe Sprint is also carrier locked. From what I understand Verizon is unlocked out of the box, as have all VZW LTE devices been for a few years now. AT&T is the one carrier I'm unsure of. Easiest way to find out is to put a different carriers SIM card in and see if it works. If it is carrier locked, AT&T will unlock it for free as long as it is paid off. Just request it through the AT&T website.
Once you switch to Verizon, I HIGHLY recommend flashing either the XAA unlocked firmware, which will detect your SIM automatically and optimize it for VZW. It will be bloatfree, but may be missing VOLTE, WiFi Calling, etc. If you want all the VZW features, flash the VZW Carrier firmware, and be ready for the VZW bloat as well.
Mr. Orange 645 said:
They are all the same hardware and all support the same radio bands. Depending on your carrier and which firmware you're running, some features may or may not work on all carriers. I'm not sure about your AT&T version, but the T-Mobile versions come carrier locked. They must be paid off and activated on T-Mo for 40 days before they will unlock it. I believe Sprint is also carrier locked. From what I understand Verizon is unlocked out of the box, as have all VZW LTE devices been for a few years now. AT&T is the one carrier I'm unsure of. Easiest way to find out is to put a different carriers SIM card in and see if it works. If it is carrier locked, AT&T will unlock it for free as long as it is paid off. Just request it through the AT&T website.
Once you switch to Verizon, I HIGHLY recommend flashing either the XAA unlocked firmware, which will detect your SIM automatically and optimize it for VZW. It will be bloatfree, but may be missing VOLTE, WiFi Calling, etc. If you want all the VZW features, flash the VZW Carrier firmware, and be ready for the VZW bloat as well.
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Thank you I went ahead and I am using an unlock service and I will be switching to some sort of carrier and flashing to that carrier's firmware.
I have a Verizon S8+ and popped in my tmobile sim and it works perfectly. I made no apn changes. I looked in the apn settings and all the settings for various vendors were already in there.
Oyeve said:
I have a Verizon S8+ and popped in my tmobile sim and it works perfectly. I made no apn changes. I looked in the apn settings and all the settings for various vendors were already in there.
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If I read correctly, he's going the other way, from ATT to VZW, so I don't think all the features will work without the VZW firmware.
i've flashed the phone over to the unlocked fw and unlocked carrier following the Snap+ Flashing Guide on these forums so now i'm waiting for my carrier unlock to be completely free. Will provide and update once i recieve my code and use it.
Hey, I got a phone from T-Mobile [In the Czech Republic] and can't seem to figure out if it's carrier locked and I don't have any non T-mobile SIM which I could insert into the phone, if you know any method to certainly know that it isn't carrier locked I'd love to hear it. Would it be safe to flash either Lineage or Calyx OS on a carrier-locked phone, one that I'm still paying off?
With regards to SIM-lockstate:
Look inside here
https://www.jihosoft.com/android-tips/check-android-lock-status.html-lock-
It seems to me that, at least with Samsung, there may be a difference between a phone which is factory unlocked versus one that has been carrier locked and is now unlocked.
For instance, with a Samsung Note 20 Ultra 5G, there are many different model numbers. The models numbers ending in XAA are the factory unlocked models where carrier models may end in suffixes like ATT, SPR and VZW etc. In the case where phones end with carrier suffixes, it seems that the radios in those phone may not get unlocked to support all the bands even after the phone is carrier unlocked. Am in imagining this? In the case of Samsung at least, when a phone is unlocked from a carrier, is its radio unlocked also or am I right that the radio can still be limited to the bands which were allowed for that carrier even after the unlock?
Thanks
Factory Unlocked – The phone, when purchased, is not attached to any carrier.
Carrier Unlocked – You could connect your phone to any carrier to any carrier of your choice. Some carriers may require you to have a paid in full status; some may need to have at least 60 days of service before you could get your phone in a carrier unlocked state.
Advantages of a Carrier Unlocked Phone
With a carrier unlocked phone, you can get all of the features and updates that are available for that phone from the carrier.
You could do a payment plan, maybe having a deposit from $0.00 to $100.00, depending on your relationship with your carrier.
You could get additional discounts through carrier incentives.
The carrier could assist you with any issues since they get trained with that device.
Advantages of a Factory Unlocked Phone
You could use the phone on whichever carrier you want
Updates come straight from the manufacturer and tend to be faster.
You could purchase whichever phone you like. For example, One Plus is compatible with Verizon, but it’ not available through Verizon.
You don’t have to pay the activation fee when buying those an unlocked phone.