Hi, i 'm pretty new to android (just made the jump from an iphone)
I got a Samsung Galaxy S10e (korean KTC version), and i noticed that the signal is always on 3G even though my phone supports both lte bands that are used by my carrier (B3 1800 and B20 800)
Digging into setting there is no way to chose preferred network mode but i notice there is a setting called service provider that has an giga lte option but when go to enable it it just says that "giga lte cannot be used while a non-kt USIM is inserted, insert a kt USIM and try again"
So i though is it possible to unlock the lte functionnality by flashing a rom through odin for the korean vertion of the phone but with no carrier lock?
I found this stock korean S10e rom with no carrier lock (screenshot bellow)
Did anyone do it before ?
Does it work?
They have the same model number but not the same CSC file, would it be possible that this works ?
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If the phone carrier locked then flashing a rom will not unlock it. You would need a Sim unlock code from the carrier to use a different Sim card. You may me able to carrier unlock it from various websites that an unlock code for purchase. Try a Google search for Sim unlock code. Good luck.
Related
Hello i didn't find anywhere similar problem. I have N5, rooted and with stock rom & kernel, i have a problem with mobile network. In my country there is a network "Play" and it is using own transmitters or from other networks and it is working as roaming network. When i want to find other compatible carriers from menu (manual mode) searching took so much time, more than few minutes. There is a sollution for this? Or fix?
Same situation when i switch from 2G to LTE mode - same results.
Best regards g1b50n
I don't think you can just switch carriers from the network menu. You need their sim card to use them. "Roaming" is usually just automatic, if you have it enabled in setting.
You don't click on different carriers to roam. At least I've never heard of that. To use a carrier, you need their sim and APN settings.
Call your carrier and ask about it. They should know exactly how it should work.
In my country carrier "Play" allow to use other networks. I mean a problem when i want to find other carriers
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Then took so much time to find other networks.
I can connect with all of them (only orange not working cause was for testing)
Just want to know why looking for other networks take so much time.
Sorry, never heard of it....so can't guess why.
It probably falls under the" it is what it is" category.
Hi everyone,
my used xperia xz have signal/network issue: when 4G is on and i receive a call the signal is so low that i have to move around or turn off lte to have a better experience; data signal is so low and laggy, sometime havent signal indoor etc... I bought a used device, originally come with UK firmware and this specs:
Android 8.0
Phone Software Version: 1302-9157_41.3.A.2.171
Global-LTE3A
Generic-41.3.a.2.171
S1 Boot version: 1299-4832 S1_BOOT_MSM8996_LA2.0_O_204
BASEBAND: 8996-8996.gwn.prodQ-00070-40
Customization version: 1305-7307R8E
After a guide of Kuarinfou to flash a firmware i flashed an italian firmware (cause i live in italy and i thinked to could solve it flashing an italian fw) but the signal/network issues are still there. I checked the service menu and I notice that:
- in the network preference's list there isnt the option "LTE/UMTS/GSM" but only LTE/UMTS or LTE/CDMA or LTE only or CDMA only and others combinations
- in the "select band radio" (the first option after clicking the three dots at the top) there are only 3 option: Automatic - America - Japan. NOT Europe!!!!
So I suppose this could be the reason of the issue. I suppose there is a network "limitation" about frequencies.
My questions are:
1) Could be that the reason of the issue?
2) Is there a way to change the band radio?
3) Is there a way to set on europe band and disable US or other bands?
I have read the post about how to modify lte carrier aggregation, could be the solution?
I will attach a screenshot for more info.
Hope in your experience and kindness.
Anyway, thanks you for the attention
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https://imgur.com/gallery/vVgYJb9
Hello all,
I seem to have an issue with the phone whereas phone calls are not working on the phone (call \receive). I thought it was an issue with the phone not unlocked but it is. I confirmed by looking at the following:
- Phone says Tmobile at the bottom of the screen
- when searching for networks, mentions all - Tmobile, ATT, Verizon, MetroPCS
- manually selected Tmobile as well as Auto Select Network
- texts work on the Tmobile Sim
- Chrome browser loads pages (data not set to roaming)
- factory reset phone and the issue persists
- inserted known working Verizon Sim to test phone ability to make calls \ receive and works ( able to dial out and ring)
- browsed around the Phone app => turned off Assisted Dialing, Video calling
At the moment, I am trying to get the KDZ to possibly flash the firmware to see if the Radios flashover.
Any thoughts?
Nevermind.
I was able to confirm that it is unlocked and able to work with TMobile....sorta. Calls come in when the phone in certain areas where it can switch to a 2G network and switch back to LTE once done.
I also noticed that the 5G UWS icon appeared in some areas. Speed test doesn't show anything 5G like (20mb down, 17 up).
I would hope that cross flash comes out soon. Lol
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Hey hi how you unlock your v50 from Verizon
Hello,
About the situation i am in... I got note10+ sm-n975f from a friend of mine in Pakistan and I live in Canada. For some reason my sim card doesn't work on this device no matter what I do. I did reset with the sim card in it but still same result "not registered on network" and I can't select operators manually either.
What is this problem? Is it due to the firmware? This phone was rooted previously and my friend flashed it back to the stock version.
Or is the problem related to the wrongly flashing the phone?
I have attached all the screnshots.
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Mobile sim card is active. Does sim card work on other mobile.
Mobile is international unlocked. May be mobile is locked.
Try to reset network setting. Or reset all setting and erase mobile.
Select the preferred network 4G LTE / 4G /3G.
Mobilelearner said:
Mobile sim card is active. Does sim card work on other mobile.
Mobile is international unlocked. May be mobile is locked.
Try to reset network setting. Or reset all setting and erase mobile.
Select the preferred network 4G LTE / 4G /3G.
Click to expand...
Click to collapse
Yes mobile sim card is active and it does work on my other phone. I did all the stuff you mentioned but no luck sadly. Even reset my phone twice but no use :/
By the way what is international unlock? The phone isn't carrier locked though.
I have an unlocked Note 20 Ultra 5G from Verizon that I am attempting to use on Tmobile and GoogleFi. Verizon has confirmed the device has been unlocked in their systems multiple times.
On boot with the Tmobile or GoogleFi sim, the phone works just fine: calls, texts and 5G data are all fine for a few minutes. After about 5 minutes from boot, the following is displayed and the cell capabilities are locked out until I reboot and the process starts again:
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I used Frija + Odin patched to load on the TMB firmware but it appears Frija downloads the same package for VZW and TMB since the diff is the same.
I tried to use Frija to get the SM-N986U TMB firmware but it seems to be older and the phone is fuse locked
If I boot in Airplane mode the prompt is never displayed until I disable airplane mode.
Any thoughts on what to try next?
Edit: Adding text for later search
Change carrier
Sorry, your device can't be activated on another carrier's network right now. For help, contact Verizon at (800) 922-0204 or (888) 294-6804 (prepaid plans)
I believe the solution to this is to go back to the Verizon / Carrier specific firmware with Odin, factory reset it, and, without a SIM installed, go through the initial setup on WIFI only. Once the initial setup is done and has been on WIFI for 30+ minutes, power down the unit, install the SIM and start it back up. It appears there is something in the carrier specific firmware that needs to present for the carrier unlock to work. I'll update if this is incorrect. Here is an exhaustive list of firmware, I used the latest VZW carrier variant:
https://forum.xda-developers.com/t/ota-and-non-ota-firmware-for-n986u-and-n986u1.4143833/