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Ordered G5 from Buyspry : Need few simple answers

I read the threads related to LG G5 from buyspry seller. Sadly I cannot revert the order I made on ebay I need to need few important things(to me) as I will be stuck with this Phone. I live in Bangladesh so I definitely cannot use it w/o SIM UNLOCKED.
I have known that If I upgrade or downgrade I will lose SIM UNLOCK.
Also I cannot root (till now) as it requires downgrade.
And I will be stuck with firmware it came in from the seller.
But still , Here are the things I really need to know :
1. If I compromise myself to use that firmware 20i_un (UNLOCKED) forever it comes from seller & do no modifications will the Phone be perfectly fine?
2. Does that awkward firmware gives or will give any OTA update? Cause if it gives and that accidentally gets installed I am screwed with a T-Mobile Locked device.
3. I will use my local GSM SIM , Will I be able to use Portable Hotspot with that ROM? (I couldn't, with my G2 At&t Unlocked stock At&t ROM)
4. Apart from any upgrade/downgrade(ROM flashing) is there any way I might lose UNLOCK???
Please guys, please do help me with these topics. I just recently damaged my LG G2 and lost a phone Xiaomi MI 4 (Mugged) I really am screwed

minhaz.sourav said:
1. If I compromise myself to use that firmware 20i_un (UNLOCKED) forever it comes from seller & do no modifications will the Phone be perfectly fine?
2. Does that awkward firmware gives or will give any OTA update? Cause if it gives and that accidentally gets installed I am screwed with a T-Mobile Locked device.
3. I will use my local GSM SIM , Will I be able to use Portable Hotspot with that ROM? (I couldn't, with my G2 At&t Unlocked stock At&t ROM)
4. Apart from any upgrade/downgrade(ROM flashing) is there any way I might lose UNLOCK???
Click to expand...
Click to collapse
1) Probably.
2) Probably not.
3) No idea. You'd have to discuss that with your carrier.
4) Probably not, but it's still not clear how they achieved unlock via the ROM so who knows?

minhaz.sourav said:
I read the threads related to LG G5 from buyspry seller. Sadly I cannot revert the order I made on ebay I need to need few important things(to me) as I will be stuck with this Phone. I live in Bangladesh so I definitely cannot use it w/o SIM UNLOCKED.
I have known that If I upgrade or downgrade I will lose SIM UNLOCK.
Also I cannot root (till now) as it requires downgrade.
And I will be stuck with firmware it came in from the seller.
But still , Here are the things I really need to know :
1. If I compromise myself to use that firmware 20i_un (UNLOCKED) forever it comes from seller & do no modifications will the Phone be perfectly fine?
2. Does that awkward firmware gives or will give any OTA update? Cause if it gives and that accidentally gets installed I am screwed with a T-Mobile Locked device.
3. I will use my local GSM SIM , Will I be able to use Portable Hotspot with that ROM? (I couldn't, with my G2 At&t Unlocked stock At&t ROM)
4. Apart from any upgrade/downgrade(ROM flashing) is there any way I might lose UNLOCK???
Please guys, please do help me with these topics. I just recently damaged my LG G2 and lost a phone Xiaomi MI 4 (Mugged) I really am screwed
Click to expand...
Click to collapse
You lose unlock if you ever update or do anything to the ROM. Phone is garbage unless you're on Tmobile. Obviously you are going to want to update it eventually because it's assumed that LG will be issuing an official Oreo update.
I bought the device and reverted it to official firmware. With a few (lengthy) calls to Tmobile I eventually got them to white list my device for the Sim unlock app to work. I was first told that it was impossible for them to do because it wasn't a Tmobile device, meaning not purchased through tmobile (not sure how buyspry got them, maybe corporate wholesale or something).
I sent a bunch of photos to them showing the box and other tmobile documentation that came with the phone. They agreed to unlock it and after about a week's wait while tech support was working out the specifics, the app successfully unlocked it.
I am on tmobile but told them I preferred to have it unlocked if necessary for international travel.
So yeah, long story short if you're not on tmobile and have no way to get tmobile to officially unlock it return the device. Complain to eBay that the device had hacked firmware or whatever (which is 100% true) and they will let you return it.
Sent from my LG-H830 using Tapatalk

Idea
Sdobron said:
You lose unlock if you ever update or do anything to the ROM. Phone is garbage unless you're on Tmobile. Obviously you are going to want to update it eventually because it's assumed that LG will be issuing an official Oreo update.
I bought the device and reverted it to official firmware. With a few (lengthy) calls to Tmobile I eventually got them to white list my device for the Sim unlock app to work. I was first told that it was impossible for them to do because it wasn't a Tmobile device, meaning not purchased through tmobile (not sure how buyspry got them, maybe corporate wholesale or something).
I sent a bunch of photos to them showing the box and other tmobile documentation that came with the phone. They agreed to unlock it and after about a week's wait while tech support was working out the specifics, the app successfully unlocked it.
I am on tmobile but told them I preferred to have it unlocked if necessary for international travel.
So yeah, long story short if you're not on tmobile and have no way to get tmobile to officially unlock it return the device. Complain to eBay that the device had hacked firmware or whatever (which is 100% true) and they will let you return it.
Sent from my LG-H830 using Tapatalk
Click to expand...
Click to collapse
What yall think i need advice from you all, what if i flash back the version h830v30a so it will lock ok, and after flashing it and try to unlock it with device unlock after i bought the code online. Tell me what you ? think

tfat1000 said:
What yall think i need advice from you all, what if i flash back the version h830v30a so it will lock ok, and after flashing it and try to unlock it with device unlock after i bought the code online. Tell me what you [emoji848] think
Click to expand...
Click to collapse
Device unlock doesn't take a code. It checks with Tmobile database
Sent from my LG-H830 using Tapatalk

I know, i mean if i flash the h830v30a version it will still have the device unlock app it will clear the hack rom,
Sent from my LG-H830 using Tapatalk
---------- Post added at 02:09 PM ---------- Previous post was at 02:07 PM ----------
What do you think?
Sent from my LG-H830 using Tapatalk

minhaz.sourav said:
I read the threads related to LG G5 from buyspry seller. Sadly I cannot revert the order I made on ebay I need to need few important things(to me) as I will be stuck with this Phone. I live in Bangladesh so I definitely cannot use it w/o SIM UNLOCKED.
I have known that If I upgrade or downgrade I will lose SIM UNLOCK.
Also I cannot root (till now) as it requires downgrade.
And I will be stuck with firmware it came in from the seller.
But still , Here are the things I really need to know :
1. If I compromise myself to use that firmware 20i_un (UNLOCKED) forever it comes from seller & do no modifications will the Phone be perfectly fine?
2. Does that awkward firmware gives or will give any OTA update? Cause if it gives and that accidentally gets installed I am screwed with a T-Mobile Locked device.
3. I will use my local GSM SIM , Will I be able to use Portable Hotspot with that ROM? (I couldn't, with my G2 At&t Unlocked stock At&t ROM)
4. Apart from any upgrade/downgrade(ROM flashing) is there any way I might lose UNLOCK???
Please guys, please do help me with these topics. I just recently damaged my LG G2 and lost a phone Xiaomi MI 4 (Mugged) I really am screwed
Click to expand...
Click to collapse
Has anyone ever tried to check their imei using the tmobile site imei check, i checked mine and it wasn't know by the server
Sent from my LG-H830 using Tapatalk

OEM unlock problem with SM-G955FD in Canada

Hi guys, I'd really appreciate your help so I can get OEM unlock back on my Samsung S8+ dual sim SM-G955FD here in Canada. I'm on Android 8.0.0.
I've tried many of the methods described on this forum and elsewhere without luck. I've even left my phone charging for over a week, with and without a sim. Also no luck.
My guess is that since the model of my phone is not a model imported into Canada by Samsung, and since I understand Samsung unlocks the OEM security feature by sending a signal, Samsung won't send that OEM unlock signal to an unofficial phone.
This mess started when I unsuccessfully tried to root my phone. I must have made a mistake, so I figured the best way to try again would be to reinstall a stock image. Instead of the original Android 7 I installed Android 8 (which also changed the "Samsung Experience" version from 8 to 9). The phone now happily works, but no OEM unlock and so I cannot root.
Please help me get OEM unlock back on my phone.
Thanks so much
D, stuck in Toronto

Did you succeed
the same for me more oem unlock
When I received it it was already on Oreo version bootloader v3 and updated to v5
in v3 oreo oem unlock is turn on
update v5 7 day wait
i have message erasing recovery without admin to odin

Unlocking bootloader on ebay purchased TMobile 7 Pro

Thinking of buying one of these and want to clarify the process of unlocking the bootloader. From the ebay seller he says it is a T-Mobile phone but is sim unlocked already. He says I will have to contact oneplus to get the bootloader unlock code/token. I don't really want to wait the forty days or whatever I heard it was but it's ok as long as I can definitely get it unlocked eventually and won't be stuck for some reason with a locked bootloader. Thanks for any info you can provide.

https://forum.xda-developers.com/oneplus-7-pro/help/how-to-convert-tmobile-op7-to-t3935947

I've ran across two of your posts asking the same question. I had done the same thing as you. I bought an eBay sim unlocked op7p. At first I flashed the international firmware to just bypass the whole tmobile bootloader unlock. It worked in the sense that I was able to unlock the bootloader, however I had no service and the phone would not detect my sim (Cricket). I tried another sim with the same results. I had to use the msm tool and flash back to tmobile stock firmware in order for it to work with my sim.
I sent in my request for an unlock token and received it in 7 days. I think the 40 days is only for brand new phones. I would submit the unlock token request and go that route. YMMV, you may very well be able to flash the international software and just bypass it. I didn't have that luck. The 7 day wait wasn't so bad. Hope this helps.

devastatorx said:
I've ran across two of your posts asking the same question. I had done the same thing as you. I bought an eBay sim unlocked op7p. At first I flashed the international firmware to just bypass the whole tmobile bootloader unlock. It worked in the sense that I was able to unlock the bootloader, however I had no service and the phone would not detect my sim (Cricket). I tried another sim with the same results. I had to use the msm tool and flash back to tmobile stock firmware in order for it to work with my sim.
I sent in my request for an unlock token and received it in 7 days. I think the 40 days is only for brand new phones. I would submit the unlock token request and go that route. YMMV, you may very well be able to flash the international software and just bypass it. I didn't have that luck. The 7 day wait wasn't so bad. Hope this helps.
Click to expand...
Click to collapse
That's good to know that I can get the unlock token if needed. So TMobile doesn't care who you are or that you don't have a T-Mobile account or live in US obviously then?

Reechings said:
That's good to know that I can get the unlock token if needed. So TMobile doesn't care who you are or that you don't have a T-Mobile account or live in US obviously then?
Click to expand...
Click to collapse
The unlock code comes from OnePlus. I only had to wait the week and the received an email with a link to download the unlock_code.bin file. To answer your question, not to my knowledge.

devastatorx said:
I've ran across two of your posts asking the same question. I had done the same thing as you. I bought an eBay sim unlocked op7p. At first I flashed the international firmware to just bypass the whole tmobile bootloader unlock. It worked in the sense that I was able to unlock the bootloader, however I had no service and the phone would not detect my sim (Cricket). I tried another sim with the same results. I had to use the msm tool and flash back to tmobile stock firmware in order for it to work with my sim.
I sent in my request for an unlock token and received it in 7 days. I think the 40 days is only for brand new phones. I would submit the unlock token request and go that route. YMMV, you may very well be able to flash the international software and just bypass it. I didn't have that luck. The 7 day wait wasn't so bad. Hope this helps.
Click to expand...
Click to collapse
I think I may be in the same boat. After fighting with msm I finally got it to flash the international firmware but nowjiy doesn't detect my sim. So you went back to Tmobile software and got the token to unlock but once you did that did you switch back to international or custom ROMs?

Duplicate post

Reechings said:
I think I may be in the same boat. After fighting with msm I finally got it to flash the international firmware but nowjiy doesn't detect my sim. So you went back to Tmobile software and got the token to unlock but once you did that did you switch back to international or custom ROMs?
Click to expand...
Click to collapse
I have not flashed back to international because I couldn't get the phone to detect my sim even after updating the international firmware.
I would however recommend that once you flash back to TMobile (using msm) that you do the OTA (settings>system>check for updates)
Currently I'm running unlocked and rooted via magisk. I'd like to flash a custom rom (looking at resurrection) but they say to flash the international rom to both slots first (via recovery like twrp) and I'm not sure if that would cause the sim issue again. I haven't had time to ask about it (if I can flash straight from tmo stock rooted to a custom rom like resurrection). So unfortunately I don't have the best answer there. You may ask around in some of the custom rom threads about just flashing straight from the TMobile stock firmware with unlocked bootloader. If you happen to find out an answer, please pm me and let me know.

devastatorx said:
I have not flashed back to international because I couldn't get the phone to detect my sim even after updating the international firmware.
I would however recommend that once you flash back to TMobile (using msm) that you do the OTA (settings>system>check for updates)
Currently I'm running unlocked and rooted via magisk. I'd like to flash a custom rom (looking at resurrection) but they say to flash the international rom to both slots first (via recovery like twrp) and I'm not sure if that would cause the sim issue again. I haven't had time to ask about it (if I can flash straight from tmo stock rooted to a custom rom like resurrection). So unfortunately I don't have the best answer there. You may ask around in some of the custom rom threads about just flashing straight from the TMobile stock firmware with unlocked bootloader. If you happen to find out an answer, please pm me and let me know.
Click to expand...
Click to collapse
Actually I was mistaken. Once I updated the international rom to Android Q my sim started working again and now I am on Bliss and sim is still working. Not sure what is going on with your sim.

8T TMobile Unlock Oddities

Hi guys! Having some weird issues getting custom roms to flash on my 8T. I purchased the TMobile variant as it was the only one in stock, and I planned to use it with a TMobile mnvo. It's the KB2007 model. I purchased it outright, and went to unlock the bootloader - this was not possible as the device was locked. I reached out to TMobile on Twitter, gave them my phone number, IMEI and told them my story. They said it would take 2-5 business days for the unlock team to look at the request as I wasnt a direct TMobile customer. A few days later, I went into the android settings app, and attempted to permanently unlock the device and it unlocked. I rebooted and was able to toggle the developer setting to allow OEM unlocking, yay! Since that point, I've ran the kebabt -> kebab EU firmware MSM tool to convert the device to the EU firmware (as I've heard it's more stable, I'm US based though)
However, after that I've gone to replace oxygen os with Lineage, and I'm getting errors from fastboot about the device still being locked. Any ideas where to go from here?

You probably need to unlock your bootloader?
fastboot flashing unlock

AlmightyGrapefruit said:
Hi guys! Having some weird issues getting custom roms to flash on my 8T. I purchased the TMobile variant as it was the only one in stock, and I planned to use it with a TMobile mnvo. It's the KB2007 model. I purchased it outright, and went to unlock the bootloader - this was not possible as the device was locked. I reached out to TMobile on Twitter, gave them my phone number, IMEI and told them my story. They said it would take 2-5 business days for the unlock team to look at the request as I wasnt a direct TMobile customer. A few days later, I went into the android settings app, and attempted to permanently unlock the device and it unlocked. I rebooted and was able to toggle the developer setting to allow OEM unlocking, yay! Since that point, I've ran the kebabt -> kebab EU firmware MSM tool to convert the device to the EU firmware (as I've heard it's more stable, I'm US based though)
However, after that I've gone to replace oxygen os with Lineage, and I'm getting errors from fastboot about the device still being locked. Any ideas where to go from here?
Click to expand...
Click to collapse
You will get fastboot errors about unlocking critical partitions if you try to flash partitions other than boot, recovery and a few others while you're in bootloader mode.
For the rest you must be in fastbootd mode.

Chances are you need the unlock token from OnePlus themselves it takes a week

Question sorry your device can't be activated on another carrier

I bought an unlocked VW phone from US in a business trip , paid off and came to home country . VZW said wait for few days and it will get unlock , Trusting a MNC , i came back and now it is showing error
"sorry your device can't be activated on another carrier " Contact Verizon .. When i insert SIM .
I contacted verizon , samsung , no help , i cannot go back US and hate to trash a $1200 phone
I spend sometime browsing xda and hit this
Carrier/SIM Unlock - Galaxy S21 Ultra 5G SM-G998U & U1 (QualComm SnapDragon) USA/CANADA! - NO ROOT- FREE
Here's a free How-To on how i successfully Carrier/Sim unlocked my Samsung Galaxy S21 Ultra 5G running the NEWEST Android update on bootloader 5 (USQU5BULJ)released in January of 2022 that was carrier locked to Verizon and now fully Unlocked...
forum.xda-developers.com
Downloaded Frija , Flashed AIO CSC for U1 , (Somehow XAA always gives me error ) , wiped cache , factory reset still when insert sim shows me error.
Basic question:
1) Does this error means it is network locked ? When i go to Download mode it still shows Carrier VZW ? Where is it come from bootloader ?
2) If i root the phone (i dont care warranty)will it get rid of this ?any pointer will be big help

I bought an unlocked VW phone from US in a business trip
Click to expand...
Click to collapse
That's not possible. VZW does not sell unlocked phones ever. You might have bought it at a retailer like Best Buy?
It's network locked. You cannot root the phone (as far as we know). You can try the steps in the S21 guide you linked.
VZW's unlock policy is 60 days after activation. You must be on the U firmware and be running the VZW CSC.

Thank you for your response.
Yes , i bought the VZW unlocked from best buy retailer .
Now , I already flashed , AIO CSC & tried XAA U1 couple of times ,Should i go back to , VZW CSC U firmware ?
Where is the restriction coming from ? bootloader ?
It is a old phone it must be more than 60days for sure .

Device Unlocking Policies | Verizon
Verizon's device unlocking policy.
www.verizon.com
Devices that you purchase from Verizon are locked for 60 days after purchase. Devices that you purchase from one of our authorized retailers are locked for 60 days after activation. After 60 days, we will automatically remove the lock unless the device is deemed stolen or purchased fraudulently. Following the 60 day lock period, we do not lock our phones at any time.
Click to expand...
Click to collapse
Have you ever activated the phone on VZW's network? If not, it will never unlock.

craznazn said:
Device Unlocking Policies | Verizon
Verizon's device unlocking policy.
www.verizon.com
Have you ever activated the phone on VZW's network? If not, it will never unlock.
Click to expand...
Click to collapse
No , or actually i dont know since i bought it as aftermarket .
May i know , What are my options here ?
If i manage to put a VZW prepaid sim , will it get activated ?, and keep it for 60 it get unlock ?
Does that has to be new service VZW SIM , or i can borrow a friend SIM ?
I still don't understand where is the error coming from ? After 60Days will it have a OTA update to get it unlock ?

Its from knox itself. Any vzw sim should work

Thanks . i will try ship the phone to keep in VZW network in US .
BT W is there any way to bypass knox security (network lock check) or reimage knox and avoid the hassle .

also the same problem. Did you manage to solve it? only i have lg v50 thinq 5g