Hi !
So i purchased a phone a few months back but since then i'm unable to use 4G on this phone. I've tried everything available through google's help and have turned to XDA as a last resort. I've tried
1. Hard reset (No luck)
2. Restoring default apn settings (No Luck)
3. Changing the connectivity settings via third party app (No Luck)
4. Changing sim cards.
5. Changing sim slots.
Edit:
6. Just tried to change the hw_networkmode_preference from setdb and couldn't find this setting there. created new setting for this and entered 9,6,2,1,11. Now i get 4G only option but as soon as i select 4G the phone shows No service.
All of the above tried multiple times without any luck to get it working. Its like its just stuck o 3G and wont use 4G although the option is there. The sim card's $g connection works fine in my other phone. but not this one. If anyone has any idea how to get it working please respond ASAP as i need this phone working for my sister and cannot afford another.
My Phone Info :
1. Name: Huawei Y7 2018
2. Model: LDN - L21
3. EMUI Version: 8.0.0
4. Android Version: 8.0.0
@Mrrtahoo
It's NOT you who decides what band network to get used, it's alone carriers decision.
jwoegerbauer said:
@Mrrtahoo
It's NOT you who decides what band network to get used, it's alone carriers decision.
Click to expand...
Click to collapse
I get that. but the same carrier allows 4G to be used on other phones. why not this phone ? its got to be a software bug or maybe they forgot to install 4G hardware
Any other hunches ?
Related
ok this phone a brand new, i can receive calls and text but when i dial a number and try to make a call the phone restarts
This is factory unlocked and not rooted
Try flashing a newer radio rom.
I dont want to root it incase i cant get the original rom back.
It is weird as, i have tried with every sim card to make calls and it works but when i put the 3 sim in does plays up
We experienced the same issue on some Turkish networks as well and flashing a newer radio rom fixed the problem. Flashing roms and rooting are totally different. What you need is a newer version of your current baseband ( radio rom ) sbf and official motorola software flasher " RSD Lite 5.3 "
Hope it helps.
Thank you so much for that Semseddin.
My problem solved, i just flashed it using RSD lite 4.9
Thanks everyone
Hi. I've been having the exact same issue. I've got an unlocked AT&T Atrix and I'm trying to use a Three UK sim (I'm in the UK). I'm a bit new to the world of android, can someone post a link to an appropriate Radio Rom?
Thanks for any help!!
OK after a little more web searching I've found a (sort of) solution -
"Here's a quick fix for it thou, (not permanent)....
1. type *#*#4636#*#* on the dialer
2. Chose Phone Information
3. Set preferred network to GSM only
Viola...its fixed
problem with this fix is that you wont be able to use your 3G network but the dialer should be working."
Problem is of course that you can't use your 3G connection. Hope this helps anyone else with the same issue.
Link to article - https : // supportforums.motorola .com/message/379232
Why is it always 3 that cause a problem?
When the Nokia N900 came out, that wouldn't work with 3 initially until a couple of updates later!
lowndes783 said:
OK after a little more web searching I've found a (sort of) solution -
"Here's a quick fix for it thou, (not permanent)....
1. type *#*#4636#*#* on the dialer
2. Chose Phone Information
3. Set preferred network to GSM only
Viola...its fixed
problem with this fix is that you wont be able to use your 3G network but the dialer should be working."
Problem is of course that you can't use your 3G connection. Hope this helps anyone else with the same issue.
Link to article - https : // supportforums.motorola .com/message/379232
Click to expand...
Click to collapse
May not work for Pay as you go? I didn't think that it had 2G fall back?
Hi XDA ,
Am new in the Forum & First of all thanks to all of you for helping the forum and people. I'm having difficulties and I cant seem to find the way to fix this(its been 2 weeks)
My problem is the following: I have a Samsung Galaxy Note 3 details:
software version: N900PVPUBMI3
hardware version N900P.00
Status: network: Digital roaming
mobile network type CDMA-AxRTT
Android 4.4.2
KERNEL:[email protected]#1
A friend bought me this phone and called my carrier METROPCS and made them set up the phone so I could use it. they asked him for imei and sim number. He was able to use the phone and 4GLTE(he was doing this to verify it was unlocked) later on he gave me the phone and I had to do the same procedure he did but first I did a factory data reset.
After it I wasn't able to set it up again.
I've noticed that APN SETTINGS has disappeared from the menu, cant search for networks, when I load IMEI it no longer shows the imei but it shows MEID B0000000 and besides all of this I have a message that says SIM CARD INVALID.(but the sim card works perfectly on my other phone)
I will all my life appreciate if you help me with this matter please!
PS. phone is rooted as far as I know(root check on Google play store said it was)
Sir,
Please wait until mods will move this thread to the device specific forum for more relevant answers.
Stand by
Good luck
XDAGeorge305 said:
Hi XDA ,
Am new in the Forum & First of all thanks to all of you for helping the forum and people. I'm having difficulties and I cant seem to find the way to fix this(its been 2 weeks)
My problem is the following: I have a Samsung Galaxy Note 3 details:
software version: N900PVPUBMI3
hardware version N900P.00
Status: network: Digital roaming
mobile network type CDMA-AxRTT
Android 4.4.2
KERNEL:[email protected]#1
A friend bought me this phone and called my carrier METROPCS and made them set up the phone so I could use it. they asked him for imei and sim number. He was able to use the phone and 4GLTE(he was doing this to verify it was unlocked) later on he gave me the phone and I had to do the same procedure he did but first I did a factory data reset.
After it I wasn't able to set it up again.
I've noticed that APN SETTINGS has disappeared from the menu, cant search for networks, when I load IMEI it no longer shows the imei but it shows MEID B0000000 and besides all of this I have a message that says SIM CARD INVALID.(but the sim card works perfectly on my other phone)
I will all my life appreciate if you help me with this matter please!
PS. phone is rooted as far as I know(root check on Google play store said it was)
Click to expand...
Click to collapse
You might try installing this app it find/gives all the hidden info on your device http://forum.xda-developers.com/not.../app-one-click-hotspot-enabler-menus-t2816159 it will give you APN's MEID AND IMEI . All you have to do is download to your PC, it my download as a zip file. Just use 7zip and rename it to an apk, then copy and paste it to your internal sd card via your charging cable. Then click on apk and install. Enjoy !!!
BTW your MEID is on a label under the battery !!!
jimzweb1 said:
You might try installing this app it find/gives all the hidden info on your device http://forum.xda-developers.com/not.../app-one-click-hotspot-enabler-menus-t2816159 it will give you APN's MEID AND IMEI . All you have to do is download to your PC, it my download as a zip file. Just use 7zip and rename it to an apk, then copy and paste it to your internal sd card via your charging cable. Then click on apk and install. Enjoy !!!
BTW your MEID is on a label under the battery !!!
Click to expand...
Click to collapse
Hi Jim/XDA
I'm still not able to connect to the network. Regarding the IMEI on the back part i know its there however what im saying is that im not able to see my imei through command when i dial *#06#
i as well had this errors today when i woke up:
: LTE:ESM-x EMM-14(ive seen this error when this issue started but it dissapeared and it came back know)
data roaming: you have lost data connectivity because you left your home network with data roaming turned off.
On mobile networks i remember i use to be able to select many(GSM,CDMA,etc) now in network mode i only see 2 options LTE/CDMA,CDMA. Currently LTE/CDMA is selected and if you just look at the network mode option without actually opening it it shows CDMA/LTE/EVDO.
Also when i opened the SCRTN it shows on black screen.
I tried to do some minor changes on Galaxy tools like the SIM UICC UNLOCK all mps,sales,default code on XAS. Factory & keystring ON. MSL/SPC show 222222.
After i did SIM UICC UNLOCK and restarted phone know took away all errors but i see the signal bars faded out and with a little red x on top of it. I've read the manual but im still wondering if there might still be things to set on a particular way that are not specified on it Can you please help me set this up properly?
XDAGeorge305 said:
Hi Jim/XDA
I'm still not able to connect to the network. Regarding the IMEI on the back part i know its there however what im saying is that im not able to see my imei through command when i dial *#06#
i as well had this errors today when i woke up:
: LTE:ESM-x EMM-14(ive seen this error when this issue started but it dissapeared and it came back know)
data roaming: you have lost data connectivity because you left your home network with data roaming turned off.
On mobile networks i remember i use to be able to select many(GSM,CDMA,etc) now in network mode i only see 2 options LTE/CDMA,CDMA. Currently LTE/CDMA is selected and if you just look at the network mode option without actually opening it it shows CDMA/LTE/EVDO.
Also when i opened the SCRTN it shows on black screen.
I tried to do some minor changes on Galaxy tools like the SIM UICC UNLOCK all mps,sales,default code on XAS. Factory & keystring ON. MSL/SPC show 222222.
After i did SIM UICC UNLOCK and restarted phone know took away all errors but i see the signal bars faded out and with a little red x on top of it. I've read the manual but im still wondering if there might still be things to set on a particular way that are not specified on it Can you please help me set this up properly?
Click to expand...
Click to collapse
Is this a Sprint variant? If so, you shouldn't have factory reset the phone. It looked like the phone was previously flashed to MetroPCS and by resetting the phone, it removed all the carrier data.
You will have to reflash the phone to get it working again.
nature954 said:
Is this a Sprint variant? If so, you shouldn't have factory reset the phone. It looked like the phone was previously flashed to MetroPCS and by resetting the phone, it removed all the carrier data.
You will have to reflash the phone to get it working again.
Click to expand...
Click to collapse
Is there a tutorial i could follow here ?
I greatly appreciate your help,
Regards
George
Hey guys, for those who need to edit an APN (Access Point Names), there is a little secret.
Go Settings, and scroll down the list. You will find a search box. Type there Access Piont Names and here it is.
The steps above are neccesary, since APN setting is hidden.
Hey guys, recently I've got an Alpha SM-G850A which is for AT&T. I live in Iran and the phone has been unlocked to work here, I was trying to get the Android Lollipop 5.0.2 for my phone. so first I tried to get the update from AT&T software update by phone, but it says that there seems to be no updates available for me, nevertheless on the net the guys claim that they've got the update, is it due to my location in Iran and my internet IP? (I used VPN too but again, no updates). I tried to get the firmware from Sammobile.com too, but there were no firmwares detected for SM-G850A. Can someone help please?:good::good:
BTW, I've got the cellular data from my operator, and it works, but I can't select which type I wanna use (2G, 3G or 4G). I mean there's no options in the phone settings to select the data connection type. NEED HELP!
mamadmoghtaderi said:
BTW, I've got the cellular data from my operator, and it works, but I can't select which type I wanna use (2G, 3G or 4G). I mean there's no options in the phone settings to select the data connection type. NEED HELP!
Click to expand...
Click to collapse
Even tho the phone is working on other networks you will still need an at&t sim card to update it. There is no way around this as far as i know.
Type below code in dialer and select Device information. Now, if you scroll down you will have the option to change network type.
Code:
*#*#4636#*#*
Hi guys , i dunno if this is the right section for this question but i'm a newbie here , i got two sm-g925r7 locked to nTelos i think and i want to unlock them for international gsm use outside the u.s , is this possible ? if yes do you know a guy who can do them at a reasonably price ? since this can work on sprint cdma phones i don't see why it can't work on nTelos since they are both cdma ? correct me if i'm wrong , i need your help guuuuuys please.
How do you know if they're locked to nTelos? Did you try putting in another carrier's Sim card? Uru
nothing happens
i know couse i bought them on ebay and the sellers stated that in their description , and the sm-g925r7 is for cspire or ntelos only ? i tried using a foreign sim card , ( i'm outside the u.s ) and nothing happens , phones search for network 2-3 secs and then they just show that little barred signal icon on the top right corner
Well on the nTelos website it says all android phones are unlocked so I dont know.
checked that
DJCharlie said:
Well on the nTelos website it says all android phones are unlocked so I dont know.
Click to expand...
Click to collapse
yeah man i already checked that , but if it's a remote unlock i think it can be done by using a sprint firmware
mariosota said:
i know couse i bought them on ebay and the sellers stated that in their description , and the sm-g925r7 is for cspire or ntelos only ? i tried using a foreign sim card , ( i'm outside the u.s ) and nothing happens , phones search for network 2-3 secs and then they just show that little barred signal icon on the top right corner
Click to expand...
Click to collapse
that model just sends sms and LTE data, no calls
DEXEIL said:
that model just sends sms and LTE data, no calls
Click to expand...
Click to collapse
How can i unlock these features at least? Or it should be ready when u put a 4g sim card , i tried using old 3g sim cards and it just searches for signal
mariosota said:
How can i unlock these features at least? Or it should be ready when u put a 4g sim card , i tried using old 3g sim cards and it just searches for signal
Click to expand...
Click to collapse
You can unlock by enabling service menu
-Insert 4G sim card
Dial *#27663368378# -This will put you in service mode
* tap UE Settings & Info > Settings > Protocol > NAS > Network Control > Band Selection > Choose choice 7 “LTE/GSM MODE ONLY”
Restart
DEXEIL said:
You can unlock by enabling service menu
-Insert 4G sim card
Dial *#27663368378# -This will put you in service mode
* tap UE Settings & Info > Settings > Protocol > NAS > Network Control > Band Selection > Choose choice 7 “LTE/GSM MODE ONLY”
Restart
Click to expand...
Click to collapse
Ok I'll try this code , i tried several ones but with no success , i think the firmware blocks all codes on these phones .Thanks mate
mariosota said:
Ok I'll try this code , i tried several ones but with no success , i think the firmware blocks all codes on these phones .Thanks mate
Click to expand...
Click to collapse
you can enable service menu by rooting the phone, tested on android 5.0.2 and 5.1.1
DEXEIL said:
you can enable service menu by rooting the phone, tested on android 5.0.2 and 5.1.1
Click to expand...
Click to collapse
Ok I'll root using the sprint rooting as I've tried this before with success, but first I'll downgrade them to 5.1.1 and hopefully i'll get past this ,since the settings will be set to lte/gsm why wouldn't it work with calls ?
mariosota said:
Ok I'll root using the sprint rooting as I've tried this before with success, but first I'll downgrade them to 5.1.1 and hopefully i'll get past this ,since the settings will be set to lte/gsm why wouldn't it work with calls ?
Click to expand...
Click to collapse
I hope flashing to sprint version or trying with different bootloader / modems could be the solution, I have not found any guide yet
Ok so i rooted the phone and used root explorer to enable service mode , restarted the phone , opened service mode and selected lte/gsm only , restart , phone asks for sim pin and then nothing , no data sms or calls
I am also interested in this unlock but haven't found a solution yet.
mariosota said:
Ok so i rooted the phone and used root explorer to enable service mode , restarted the phone , opened service mode and selected lte/gsm only , restart , phone asks for sim pin and then nothing , no data sms or calls
Click to expand...
Click to collapse
after enabling lte/gsm only, restart and go to settings > network mode > select lte/wcdma/gsm. try with different carriers and 4G sim cards to get signal (mine is working on Claro only, other carriers show "Searching" or "No service" )
If this is the go25r7wwu3cpc1 how did you root?? I'm on firmware 6.0.1 can't find root anywhere..
mariosota said:
Ok I'll root using the sprint rooting as I've tried this before with success, but first I'll downgrade them to 5.1.1 and hopefully i'll get past this ,since the settings will be set to lte/gsm why wouldn't it work with calls ?
Click to expand...
Click to collapse
you tryed to unlock with z3x box?
g925r7 is currently not listed in Z3X box support list.
need rmt_storage patch to make changes to bands inside the phone.
inside item 1787 (3G GSM bands), this item has no support.
Reason why it doesn't work for calls is because VOLTE is not enabled by default in CSC
usually a device like this will fall back to 3G when making calls on GSM networks. Thus the reason why calls aren't working.
sins07 said:
need rmt_storage patch to make changes to bands inside the phone.
inside item 1787 (3G GSM bands), this item has no support.
Reason why it doesn't work for calls is because VOLTE is not enabled by default in CSC
usually a device like this will fall back to 3G when making calls on GSM networks. Thus the reason why calls aren't working.
Click to expand...
Click to collapse
Sir. Is is possible to make any changes to make it work?
Obligatory - This is my first post here, please go easy on me. If this is the wrong section please point me where I need to go.
Okay, I have been having issues getting IMS registration (for att) on my N20U (unbranded) Snapdragon. This is an issue because I don't receive most calls without VoLTE, and the service I am using is actually FirstNet. (An at&t service that provides priority cell tower access for first responders.) Who is also dropping legacy 3G and analogue calling at the end of the year.
The FN sim I was given would not change the network CSC to ATT like it should have in order to work properly.
I was able to get to the manual CSC change menu through the dialer code with a TFW-att sim card (yes, while on oneUI 3.0). I suppose the menu is locked out when other csc's are active.
This allowed me to force change to ATT's csc, then place my FN sim in the phone. The kicker? I had to toggle "do not auto update CSC based on sim data" in the menu to get this method to stick.
Things are grand, working fine, but i got curious as to what options the other csc's had to offer. So i start flipping through the list and end up landing on.....you guessed it..... XAA.
Without thinking about it, i ran it, the phone rebooted, and now im screwed. Flashed the ATT rom with Odin- no change. Factory reset? No change. I messed up BIG.
Finale / TLDR
If you didn't get what just happened there, I used a specific sim card to enable a CSC a menu that uncle sammy does not want you playing with. Proceeded to disable auto CSC changing by SIM, then walked back into a CSC that does not allow me to open said menu. Thus preventing my phone from working fully on ANY NETWORK ever again. With root impossible...
Side notes that failed: Tried fac reset/ tried firmware flash/ tried samkey (no android 11 support)/ tried force change from network side. I hope im not out of options?
****you2dude said:
Obligatory - This is my first post here, please go easy on me.
Click to expand...
Click to collapse
Please check your PM inbox ASAP. Thank you.
-Regards: Badger50