Will the Chinese version work in USA networks - OnePlus 3 Questions & Answers

Good morning guys. I am no professional when it comes to phone bands, network, etc. So I would like to ask for some help. I recently purchased a Chinese version of the one plus 3 and will use it in the USA under T-Mobile. Seller said in his item description that it will work in t-mobile, AT&T just fine however I did my research and found mix answers some say it does some say they don't.

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Sent from my ONEPLUS A3000

Yea but I also asked seller and and he said this "In the America,4G LTE(FDD) Network Only Support T-Mobile and AT&T,Not Support Verizon and Sprint" btw I received the phone today but am afraid to open it and find out it doesn't work. Hard to talk to these eBay sellers sometimes. I just want the assurance

T-Mobile
AT&T

Aw so it means it not. That sucks seller telling me it does work. I'll have to return it and look for a USA version of the phone

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http://www.gsmarena.com/android_for...d_nexus_4_system_dump_available-news-6406.php
(Sorry for the weird URL title, but thats what they made it)
Please come to Sprint, please come to Sprint, please come to Sprint
Pretty sure they said CDMA devices will be released a month after ATT & T-Mo (GSM)
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I wonder if Sprint and the other carriers would release this considering the GS5 will be out not too later, assuming the updated S4 becomes available for purchase near the end of the year.
optimummind said:
I wonder if Sprint and the other carriers would release this considering the GS5 will be out not too later, assuming the updated S4 becomes available for purchase near the end of the year.
Click to expand...
Click to collapse
Did they ever wind up selling the S2 Plus?

Galaxy s9 bad reception

So I have galaxy s9(SM-G960U) with (G960USQS7DTD1) software version and its snap Dragon American version , I got it from amazon
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not only this , but the phone has a sprint activation software that keep checking for my sim card to check whether its sprint or not (like the picture)
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So I think my problem is that I have limited frequency bands support which is being used by sprint network
so is there any software solution for this ?? like flashing any other global samsung software rather than sprint one ??
is frequency bands support is limited by software or hardware or both of them ??
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Question 5G bands with AT&T prepaid

AT&T told me that I have to upgrade my prepaid plan in order to get 5G speeds (I know, they're not really 5G), and I don't want to keep $1100 phone and pay more for service if I am unable to get them because phone does not have correct bands. Three websites list different bands for US model and I could swear OnePlus website did not list bands n260 and n261 a week ago. Then who is finally right?
GsmArena:
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PhoneArena:
Kimovil:
Or finally OnePlus?
If you buy the North American variant, the bands are there.
But the problem with AT&T is that OnePlus has not certified
the 9 series for their 5G network so you wanna double check that
but regardless you have to buy the correct model for North America(U.S & Canada).

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Hi, I bought a Samsung Galaxy S20 Ultra Canada (G988W) several months ago. I can not unlock the bootloader because of the missing "OEM Unlock" in the development mode.
I tried the method on Youtube such as turning off auto time and date and changing the date to half a year before the actual date, but it did not work.
I had even asked for help from several merchants who did rom service of samsung mobile phones; however, they all told me they were not able to do it because of my software version of G988W.
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Yeah sorry pal, S20 Series with U/U1/W model numbers are locked, and cannot be unlocked (at least not officially).
There are some paid services claiming to unlock it, however, it is not recommend, for there won't be a lot of development. Beautiful device though.

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Hi, I recently purchased a 256 GB S22 (US-Variant & Factory Unlocked) but getting message that the device is disabled when connected it with the wifi.
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Looks pretty obvious to me. The IMEI has been blacklisted. You probably bought it from a disreputable seller who either stole the device or bought it from someone who had.
This is why you NEVER buy phones on eBay or Facebook Marketplace. Always buy from Swappa. Even Amazon sellers can be suspect.
I would say you should seek a return and refund with the seller, but I am guessing that they most likely knew it was blacklisted, so you're probably SOL. You can try calling the number on the screen, but if the device was indeed reported stolen and/or has a lien on it, there's nothing they can do.
It literally tells you the reason.

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