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my Capative is Netowrk lock (ON)

my Capative is Netowrk lock (ON)
i buy this from ebay
to unlock it and use in other netwrok.
but found this
how can i solve this?
dose this mean i canot unlock at at all?
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Galaxy S Unlock in Android Market.

HI, i unlock it now...
but when ever i try to make call..it drop
as i know this is full band mobile
will work on any network
i check it is it on automatic network.
some time it dail...but other not
and there is no option to change the netowrk from 3G to 2G

by using *#2263#
i found it dose not work on WCDM where i am
even if it was on auto
when change to GSM it worked.
any clue for this issue?>

What network are you trying to use?
Captivate has the following bands:
GSM/EDGE 850/900/1800/1900
UMTS/HSPA (WCDMA) 850/1900/2100
Note the absence of WCDMA 1700 for TMobile USA.

am on GSM 900/1800
WCDM 2100
when am on 2100. i can recive call
but canot make calls

any help?
why i can recive but canot make call on WCDM only

any one????????

Excessive bumping is highly unnecessary. If we knew and could substantiate an answer, we'd have told it to you already.
The only advice I can give is for you to force WCDMA2100 only via service mode through *#(*#)2263#(*#*). The additions to that code in parentheses is for CM7.
This is a total guess; I really don't know how to help you. Try different modems if this fails? Since it looks as if you have a Captivate ROM, make sure you only use an i897 modem, otherwise you'll break Bluetooth.

T-mobile and att network not compatable for 3g data. You can make calls but you will only get EDGE speed data.

3G Band 900 in H950?

Since i flash H950PR, cant connect to 3G in band 900, Get FAIL in hidden Menu, i thought this phone had 3G Band 900.
can Stock ATT rom user confirm if they get Fail in the Network Settings on this band in hidden Menu?
is there a way to enable it in H950PR?
using this great phone in only 2G rightnow
If there is another Thread with this solution excuse me, didnt find it in the forums.
PD: Amazing device the flex 2(only using it in 5.1.1 PR), its prettier than G4 in my opinion.

If you tell me he key combination to get to the secret menu, I'll check in my phone

jrosaly said:
If you tell me he key combination to get to the secret menu, I'll check in my phone
Click to expand...
Click to collapse
277634#*#

Kcesar said:
277634#*#
Click to expand...
Click to collapse
This is not doing anything on my 950
Any suggestions/ where to type this ?
Sent from my Lenovo P780 using Tapatalk

If i use shortcur master i can select the hidden menu app and open the network mode screen which lets you choose bands or automatic. The dialer shortcut is useless on my att h950 511 11z
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Ok, thanks. It seems that the 11z have a diferent radio baseband than the h950pr, i cant connect to the wcdma 900, it says FAIL in the hidden menu, so it does with lte band 12. Guess ill have to wait to a safe way to flash 11z from h950pr, or change the baseband setting to connect to this band.

My D820 has never picked up anything above 2G

Hello everyone.
In november of 2016 my aunt bought this Nexus 5 (D820) from Amazon in USA and brought it here, it was brand new and factory unlocked. When I first got it I didn't flash anything on it for a few months, which means I used the factory 4.4 KitKat, and I noticed that it never picked up anything above 2G/EDGE (the small E icon). Right now I'm running Nougat and I've tested it with 3 different simcards throughout these two years and it simply never goes over 2G, I have never seen this phone with an H or H+ or LTE icon. It's either 2G or it simply drops signal.
Here's what I've tried so far:
Using the stock system
Flashing ALL the radios I found, through adb and through flashable zips
Tearing it apart to see the two antenna cables on both sides, they're there and well seated
Every single combination of Cellular Networks > 2g/3g/LTE, Roaming, no result.
I've tried different APNs, still no result
All 3 SIM cards worked with 3g right away on my previous phone, an S2
I honestly have no idea what to try next. Anybody could help?

Maybe, it's because your networks are using frequencies, which are not supported by the North America (D820) model.
See https://www.androidcentral.com/nexus-5-models-whats-different-between-two

D820 is for North America, D821 is for other countries.

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The only thing that shouldn't work outside NA is 4G, my actual mobile carrier is Movistar, and it should work right away so..

How to change band radio

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

Samsung Galaxy S10e SM-G970N LTE Lock

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.