HELP G925P Invalid SIM card - Sprint Samsung Galaxy S6 Edge

Hello
I'm from Vietnam
I'm not so good at English, wish you sympathize
I use Galaxy tools =>> Preconfig =>>SPR=>> Install=>> Reboot
After G925P reset, it no radio signal
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I use Z3X unlook fail
Help me

I think the "invalid sim" message means the phone is carrier locked still.

Is there any way around this besides purchasing an "unlock" code from one of those sites? I've read numerous posts about people having their SM-G925P's SIM unlocked with Galaxy tools, but that seems to be pay-to-play software now. I had purchased my Sprint S6 Edge second-hand from someone who's Sprint account was in good standing; called Sprint and they _said_ they unlocked it via some OTA trickery but I still get the "Invalid SIM" notification upon boot.

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hi every one
i need help.
im having a problem with my Samsung galaxy s4 gt-i9505 which is on ee uk contract.
im trying to unlock it after looking around lots of instruction on the web but noting is working for me.
then im trying to root the phone but all other ways i found on web in vain.
so came to xda forum for some expert advice from u guys.
im posing my phones about page so u guys can see all other info about my phone.
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Accidentally pressed Band USA on Mi4c

I have pressed with this app (https://play.google.com/store/apps/details?id=com.kasitskyi.hiddensettings) Band USA on my Mi4c and now I have no signal in sim1. I live in Europe and don't know what to do. Is there any simple fix for that? I have found few but with other phones like Mi5 and so. Found this (http://forum.xda-developers.com/mi-5/development/xiaomi-mi5-qualcomm-diagnostic-drivers-t3336200)
but really don't know how to do it. I's mentioned lower :
(All you need to do is change the ban_pref* values back to the original, for the Sim-Card you changed it. Set the following values in your phone, for the Sim-Card you disabled em. (By Clicking band mode USA))
please help ...
I have try factory reset and other ROM's also now locked bootloader because of Chinese ROM but waiting for unlock. Is there anything somebody can help ???
Have found this but no luck: http://en.miui.com/thread-340101-1-1.html
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Please help bypass google FRP

Greetings,
Long story short I bought a GS8+ from amazon for $870 7 months ago phone was brand new everything and it worked great. Recently did a hard factory reset on it because I wanted all the apps my kids downloaded and anything else removed and I am stuck at the Google verification screen!
I checked my phone boot screen it says 8.0/R16NW/G955FXXU4CRJ5
IF ANYONE COULD PLEASE HELP BE THAT WOULD BE GREAT!
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My sim card is ATT
Everything worked fine before factory reset.
Every time I login google it says log in previously synced account!
:crying::crying::crying::crying::crying:
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This info is in the Guides, News . . . category.
https://forum.xda-developers.com/galaxy-s8+/how-to/guide-bypass-frp-s8-android-8-0-t3820767

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Purchased a Note 20 Ultra SM-986U. It was unlocked by T-Mobile.
I use Cricket, which is an ATT MVNO. It generally will be "AIO" in Samsung CSC list.
I flashed the Note 20 to U1, and no matter what SIM I put in, it stays at TMB/TMB/TMB.
I have tried what I believed was the specific ATT firmware as well, but still, TMB/TMB/TMB, no matter what I do.
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Anyone have any ideas on how to get it to change?
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Question Samkey and Chimeratool can't change CSC

Despite fold3 and flip3 being listed as supported both tools fails to change CSC. So don't waste your money.
Is the support informed?
It was my understanding that you don't actually change it anymore. I thought you (network) unlocked the device and the new SIM would trigger an update or you could install it through Odin.
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Do you know any way to change csc?Will samkey support it in the future?
eddiedimitris said:
Do you know any way to change csc?Will samkey support it in the future?
Click to expand...
Click to collapse
I've asked Samkey support. It's coming soon.
Anyone tested new version?
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