S8+ Service mode access?! - Samsung Galaxy S8+ Questions & Answers

How do I access S8+ service mode (menu)? I have tried *#0011# but Note4/5 cache doesn't work "back-back,0000"... How to enter LTE/WCDMA service modes?

have you tried "*#2263#"?

ShrekOpher said:
have you tried "*#2263#"?
Click to expand...
Click to collapse
Doesnt work on international simfree G955F model

*#0011#, *#32489# (Service Mode)

Sindroid said:
*#0011#, *#32489# (Service Mode)
Click to expand...
Click to collapse
Nope. Doesn't work. Please read what I asked on post. I know about *#0011# but read next...

Sindroid said:
*#0011#, *#32489# (Service Mode)
Click to expand...
Click to collapse
This don't help op. But *#0011# works on my tmo sd version. *#32489# does not work.

*#0011# opens the LTE and CA side of the Service Mode to check LTE band and CA information.
*#2263# opens the service mode to let you change band preferences and see what LTE bands your phone is capable of.

stefan063 said:
How do I access S8+ service mode (menu)? I have tried *#0011# but Note4/5 cache doesn't work "back-back,0000"... How to enter LTE/WCDMA service modes?
Click to expand...
Click to collapse
Are you using a Verizon variant? If so, service mode is disabled sadly.
Sent from my SM-G955U using Tapatalk

geoff5093 said:
*#0011# opens the LTE and CA side of the Service Mode to check LTE band and CA information.
*#2263# opens the service mode to let you change band preferences and see what LTE bands your phone is capable of.
Click to expand...
Click to collapse
You are correct about *#0011# part but... *#2263# doesn't work on EXYNOS 955F international sim-free variant.

stefan063 said:
You are correct about *#0011# part but... *#2263# doesn't work on EXYNOS 955F international sim-free variant.
Click to expand...
Click to collapse
After getting into servicemode, do you know how to access the main menu in nougat? I tried "back" "Q" "back" "0000", but it doesn't work. I can't seem to find any information. I am actually with S7 (930U firmware on 930T) Thank you.

*#2683662# for the exynos variant, however, it may say not supported as is the case on my s8+ after a recent update.

On unlocked international SM-G950FD just two worked:
*#0011# giving menu:
Select STACK
STACK 1
STACK 2
*#2683662# giving menu:
Not supported
(nothing really to change)
I need to get to LTE & GMS bands. Can anyone help?
(and if possible CSC manu change, something like *#272*IMEI#)

Related

Unlock LTE for CDMA network

I have a G920v and want to use it with ChinaTelecom that is the only CDMA carrier in China. I rooted the phone and unlock the LTE band 3 but still can't use 4G. I did much research and found Verizon would lock srlte by carriers_policy.xml in EFS or telehphony.db in /data/data. But I can't found these files in G920v. Anyone know how to do?
lostvangel said:
I have a G920v and want to use it with ChinaTelecom that is the only CDMA carrier in China. I rooted the phone and unlock the LTE band 3 but still can't use 4G. I did much research and found Verizon would lock srlte by carriers_policy.xml in EFS or telehphony.db in /data/data. But I can't found these files in G920v. Anyone know how to do?
Click to expand...
Click to collapse
Are you saying you can't find the telephony.db or you can't find what you are looking for in the telephony.db?
Tulsadiver said:
Are you saying you can't find the telephony.db or you can't find what you are looking for in the telephony.db?
Click to expand...
Click to collapse
I found telephony.db but it 's not the file to control which carrier can use srlte.
lostvangel said:
I found telephony.db but it 's not the file to control which carrier can use srlte.
Click to expand...
Click to collapse
Have you looked into service mode?
http://forum.xda-developers.com/verizon-galaxy-s6/general/enabling-using-servicemode-t3109579
Tulsadiver said:
Have you looked into service mode?
http://forum.xda-developers.com/verizon-galaxy-s6/general/enabling-using-servicemode-t3109579
Click to expand...
Click to collapse
Yes. I read the thread and try following intro. It can enable LTE BAND 3 but can't make SRLTE works. The phones from VZW often limited using LTE by other CDMA carriers by a xml file named carriers_policy.xml. To find it, you must connect the phone to QPST and run the EFS explorer. It is placed in /policyman. But I can read any by EFS Explorer with my SM-920V. A error shows that the format of EFS partition can't be recognized.
lostvangel said:
Yes. I read the thread and try following intro. It can enable LTE BAND 3 but can't make SRLTE works. The phones from VZW often limited using LTE by other CDMA carriers by a xml file named carriers_policy.xml. To find it, you must connect the phone to QPST and run the EFS explorer. It is placed in /policyman. But I can read any by EFS Explorer with my SM-920V. A error shows that the format of EFS partition can't be recognized.
Click to expand...
Click to collapse
What is QPST?
I am curious if the VZW S6 actually has the proper antenna and path for Band 3.
I'm sure the chipset has support, but it doesn't seem like there is a resource that specifies what the bands the phone actually can support.
Tulsadiver said:
What is QPST?
Click to expand...
Click to collapse
A Qualcomm's tool to manager setting such as efs, nv items, etc which make what communication funtions works.
xdadevnube said:
I am curious if the VZW S6 actually has the proper antenna and path for Band 3.
I'm sure the chipset has support, but it doesn't seem like there is a resource that specifies what the bands the phone actually can support.
Click to expand...
Click to collapse
I confirm Band 3 works. After following the post about Service Menu to unlock Band 3 I tested FDD LTE of ChinaUnicom and it worked well. But this carrier run a GSM network so I needn't do more than adding its APN. But for CDMA network, some other operations need to be done.
lostvangel said:
I confirm Band 3 works. After following the post about Service Menu to unlock Band 3 I tested FDD LTE of ChinaUnicom and it worked well. But this carrier run a GSM network so I needn't do more than adding its APN. But for CDMA network, some other operations need to be done.
Click to expand...
Click to collapse
Thanks, I think it is crazy how there is seemingly no official resource that lists exactly what bands a phone could support. The FCC docs only show bands 13, 4, and 2. Who knows what LTE band capabilities a modern phone might support?
lostvangel said:
I confirm Band 3 works. After following the post about Service Menu to unlock Band 3 I tested FDD LTE of ChinaUnicom and it worked well. But this carrier run a GSM network so I needn't do more than adding its APN. But for CDMA network, some other operations need to be done.
Click to expand...
Click to collapse
Can you clarify, to use LTE band 3 on a GSM based network, does anything need to be done to the phone (besides the APN)?
(after trying to use the HTC One M8 on Telstra LTE in AU didn't work, I was hoping the S6 would!)
xdadevnube said:
Thanks, I think it is crazy how there is seemingly no official resource that lists exactly what bands a phone could support. The FCC docs only show bands 13, 4, and 2. Who knows what LTE band capabilities a modern phone might support?
Click to expand...
Click to collapse
If you can operate NV items by QXDM, To enable bands not listing in FCC isn't too difficult.
levilib said:
Can you clarify, to use LTE band 3 on a GSM based network, does anything need to be done to the phone (besides the APN)?
(after trying to use the HTC One M8 on Telstra LTE in AU didn't work, I was hoping the S6 would!)
Click to expand...
Click to collapse
At first, you need following the post to enable HiddenMenu. In service menu you can find the place to enable some additional bands which include Band 3.
lostvangel said:
At first, you need following the post to enable HiddenMenu. In service menu you can find the place to enable some additional bands which include Band 3.
Click to expand...
Click to collapse
So basically, unless this phone is rooted, I won't have access to band 3?
Sent from my SM-G920V using Tapatalk
lostvangel said:
If you can operate NV items by QXDM, To enable bands not listing in FCC isn't too difficult.
Click to expand...
Click to collapse
In other words, bands listed here are actually fully supported by the device? My impression is that the chipset may supported the bands, but that doesn't mean there is an full RF transceiver and antenna path.
try this :
*#27663368378#
go to nas, and choose ur preferred network. reboot. if no signal, ##3282# go to bsr, tap the get lte file, tap until you got the signal and everything works.
Type ##3282# and you will find a option to enable the hiddenmenu. I have tested that 's not need to be rooted.
It's truth that enabling every band is impossible. But at least I know Band 1 and 3 are actually enabled. I tested to confirm it. Of course, there is some other operations to enable band 1, but it's not my purpose for this post.
Now I want to get help from someone to find a file like /efs/policyman/carriers_policy.xml in Sony Z3v and Moto Droid Turbo. It can be found by QPST EFS Explorer. But for G920V or G925V, EFS Explorer can't take effect.
lostvangel said:
I confirm Band 3 works. After following the post about Service Menu to unlock Band 3 I tested FDD LTE of ChinaUnicom and it worked well. But this carrier run a GSM network so I needn't do more than adding its APN. But for CDMA network, some other operations need to be done.
Click to expand...
Click to collapse
Can you tell us how you get the band 3 working? If I go to service mode and if I want to activate band 3 the "*" never stays next to the band 3 line. I works for band 2,14,17, all line as well.
Thanks in advance
*** edit ***
running stock version AOC3
in service mode/UE SETTING MENU/STTING/SYSTEM/"LTE BAND ON/OFF" When I try to enable band 3 I get the message : "not support". When I try B4: I get the choice between enable and disable.
Do you run a newer version than me lostvangel? Did you enable LTE bands with the menu LTE BAND ON/OFF?
lostvangel said:
I confirm Band 3 works. After following the post about Service Menu to unlock Band 3 I tested FDD LTE of ChinaUnicom and it worked well. But this carrier run a GSM network so I needn't do more than adding its APN. But for CDMA network, some other operations need to be done.
Click to expand...
Click to collapse
I've got a ChinaUnicom 4G sim card, but after one-week-long struggle,I still can not unlock FDD LTE of ChinaUnicom on my verizon S6. Could you share your knowledge about how to unlock band 3 for ChinaUnicom 4G? I will appreciate it very much!
Thx!

Enable LTE band 5???

Unlocked my N920P and using it on a local carrier Inland Cellular. Only getting 3G. Is there a way to enable band 5 that they use?
Broken said:
Unlocked my N920P and using it on a local carrier Inland Cellular. Only getting 3G. Is there a way to enable band 5 that they use?
Click to expand...
Click to collapse
Yes by ##3282#
##3282# is usb settings
Broken said:
##3282# is usb settings
Click to expand...
Click to collapse
That's wierd, it's the data programming menu for me. What rom are you on?
Stock Sprint rom. Got into LTE menu and when I click on LTE Band 5 it says Band 8 not supported lol

SM-955N how to unlock LTE bands?

I got the Korean Telecom version and any country I go I can only get 3g. If I use 4g switcher and set to LTE only it does not connect.
Is there any way I can unlock LTE?
Answering my own question,
*#2683662# goes into the menu for service mode.
Then UE settings and infotmation, setting, protocol, nas, network control.
Here I can see band selection and band disable. Still figuring out what these do.
hi
did you find it out? same problem
forsberg78 said:
I got the Korean Telecom version and any country I go I can only get 3g. If I use 4g switcher and set to LTE only it does not connect.
Is there any way I can unlock LTE?
Click to expand...
Click to collapse
What country are you in and with which network? Which particular bands are you trying to unlock?
I'm in Canada and want to see if I can get LTE band 66.
Sent from my SM-G955N using Tapatalk
forsberg78 said:
Answering my own question,
*#2683662# goes into the menu for service mode.
Then UE settings and infotmation, setting, protocol, nas, network control.
Here I can see band selection and band disable. Still figuring out what these do.
Click to expand...
Click to collapse
What should I change in this menu so that I can unlock the network in Brazil?

galaxy j3 prime sm-j327t1 only 2g

Hello,
I'Ve Samsung galaxy j3 prime sm-j327t1 matropcs and its shows onlu 2g / E when switching to mobile data. I've 4G enabled SIM. when I did *#0011# it show following attached img. Ive checked the band with *#2263# band set to automatic and hpsa-rel9 sounds like ok but why the hell phone still is on 2g network when enabling data.
Regards
Net_Spy said:
Hello,
I'Ve Samsung galaxy j3 prime sm-j327t1 matropcs and its shows onlu 2g / E when switching to mobile data. I've 4G enabled SIM. when I did *#0011# it show following attached img. Ive checked the band with *#2263# band set to automatic and hpsa-rel9 sounds like ok but why the hell phone still is on 2g network when enabling data.
Regards
Click to expand...
Click to collapse
verify that you are in a location that gets a good signal and that it says you get 4g lte data. then goto connection settings>mobile networks and tap on network mode and choose the option in the screenshot. if it doesnt change do a factory reset. if that fails either get the stock rom from sammobile and flash it with odin or call samsung for a replacement. also verify that theres no upgrades or problems in your area by calling customer care and that your house doesnt limit your signal. my house sometimes limits mine due to it being metal all around. in that case putting your phone in a window fixes it. if you want to avoid that contact tmobile to get a signal booster for your house. update: in the *#2263# menu make sure to choose reset on both LTE and WCDMA in disable band.
thepcwiz101 said:
verify that you are in a location that gets a good signal and that it says you get 4g lte data. then goto connection settings>mobile networks and tap on network mode and choose the option in the screenshot. if it doesnt change do a factory reset. if that fails either get the stock rom from sammobile and flash it with odin or call samsung for a replacement. also verify that theres no upgrades or problems in your area by calling customer care and that your house doesnt limit your signal. my house sometimes limits mine due to it being metal all around. in that case putting your phone in a window fixes it. if you want to avoid that contact tmobile to get a signal booster for your house. update: in the *#2263# menu make sure to choose reset on both LTE and WCDMA in disable band.
Click to expand...
Click to collapse
Well ive tried every thing even re-flashed my device but still same.
Regards
Net_Spy
Net_Spy said:
Well ive tried every thing even re-flashed my device but still same.
Regards
Net_Spy
Click to expand...
Click to collapse
Well you may need to contact samsung for a replacement.
Net_Spy said:
Hello,
I'Ve Samsung galaxy j3 prime sm-j327t1 matropcs and its shows onlu 2g / E when switching to mobile data. I've 4G enabled SIM. when I did *#0011# it show following attached img. Ive checked the band with *#2263# band set to automatic and hpsa-rel9 sounds like ok but why the hell phone still is on 2g network when enabling data.
Regards
Click to expand...
Click to collapse
It looks like we have the same problem,
After I root, unlock the phone.
Insert sim card
It will only show 2G networks.
I'm confused right now.lol
Which country are you in?
Asia? china?
GSM CHEN said:
It looks like we have the same problem,
After I root, unlock the phone.
Insert sim card
It will only show 2G networks.
I'm confused right now.lol
Which country are you in?
Asia? china?
Click to expand...
Click to collapse
Im from asia
Net_Spy said:
Im from asia
Click to expand...
Click to collapse
This phone doesn't have certain bands asia uses. you may need to buy the sm-j327u (samsungs unlocked version of this phone that can work on cdma and gsm carriers.) the sm-j327t1 was designed for the united states.
to fix this problem install (Force Lte Only).apk from play store go to phone information>Network mode>Select WCDMA ONLY!
it will fix the problem as well as you'll have all option enable i the network mode!
Net_Spy said:
Well ive tried every thing even re-flashed my device but still same.
Regards
Net_Spy
Click to expand...
Click to collapse
to fix this problem install (Force Lte Only).apk from play store go to phone information>Network mode>Select WCDMA ONLY! or *#2263# (band selection) wcdma only!
it will fix the problem as well as you'll have all option enable i the network mode!
Need some help here, still stuck on 2G. Though I don't have a T-mobile sim card, the device is said to be unlocked (by @ashyx ), so I want to use my sim card. So what am I supposed to do (I've tried everything listed here so far, no luck)?
MiiJack said:
Need some help here, still stuck on 2G. Though I don't have a T-mobile sim card, the device is said to be unlocked (by @ashyx ), so I want to use my sim card. So what am I supposed to do (I've tried everything listed here so far, no luck)?
Click to expand...
Click to collapse
Which network?
ashyx said:
Which network?
Click to expand...
Click to collapse
Orange, like in the other thread. APN set to default also, just in case.
MiiJack said:
Orange, like in the other thread. APN set to default also, just in case.
Click to expand...
Click to collapse
Have you checked which bands your network supports against the bands your device supports?
You may have to open the network settings and modify the bands if possible.
Also which firmware are you running, you may need to flash the modem from the orange firmware?
Samsung galaxy model J327u build number NRD90M.J327UUEU3ARB1
Hello,
I'Ve Samsung galaxy j3 sm-j327U and its shows onlu 2g / E when switching to mobile data and not working under LTE. I've 4G enabled SIM. when I did *#0011# it show following attached img. Ive tried to check the band with *#2263# & *#*#4636#*#* but not working this code , why the hell phone still is on 2g network when enabling data.
Regards
Smj327u
---------- Post added at 08:38 AM ---------- Previous post was at 08:29 AM ----------
Samsung galaxy model J327u build number NRD90M.J327UUEU3ARB1
Hello,
I'Ve Samsung galaxy j3 sm-j327U and its shows onlu 2g / E when switching to mobile data and not working under LTE. I've 4G enabled SIM. when I did *#0011# it show following attached img. Ive tried to check the band with *#2263# & *#*#4636#*#* but not working this code , why the hell phone still is on 2g network when enabling data.
Regards
Smj327u
Samsunngj327u said:
Hello,
I'Ve Samsung galaxy j3 sm-j327U and its shows onlu 2g / E when switching to mobile data and not working under LTE. I've 4G enabled SIM. when I did *#0011# it show following attached img. Ive tried to check the band with *#2263# & *#*#4636#*#* but not working this code , why the hell phone still is on 2g network when enabling data.
Regards
Smj327u
---------- Post added at 08:38 AM ---------- Previous post was at 08:29 AM ----------
Samsung galaxy model J327u build number NRD90M.J327UUEU3ARB1
Hello,
I'Ve Samsung galaxy j3 sm-j327U and its shows onlu 2g / E when switching to mobile data and not working under LTE. I've 4G enabled SIM. when I did *#0011# it show following attached img. Ive tried to check the band with *#2263# & *#*#4636#*#* but not working this code , why the hell phone still is on 2g network when enabling data.
Regards
Smj327u
Click to expand...
Click to collapse
It probably might be the country your in but i don't know.
Suffering with the same issue
??????? it's been almost 2 years that I'm suffering with the same problem I bought this mobile in June 2017 in LA then I came back to my country in Africa I'm suffering I've never get 3g here but in USA even LTE was running. It's a piss of loss this mobile. We have to ask Samsung to recall it.
How to fix 2G only in j3 prime and any samsung phone 100% working without flash
go youtub and search GSM SOFTWARE POINT
your problem solution in my youtub chanal
goodluck
GSM SOFTWARE POINT
Gsm software point
I dont find this channel on YouTube
I check this solution and it was worked:
*#2263# --> select no 1 band selection --> Select no 4 LTE --> Select no 0 LTE_ALL
reza_gk said:
I check this solution and it was worked:
*#2263# --> select no 1 band selection --> Select no 4 LTE --> Select no 0 LTE_ALL
Click to expand...
Click to collapse
:laugh::laugh::laugh::laugh: it worked 100% thanks Reza_gk you are genius

Just got a S8+ and found out it doesn't support my carrier's network band

Just got a S8+ from my brother and was having some troubles with it (can text/use data but not recieve/make calls) and found out that the cause was because the phone supported the 4G LTE band of my carrier but not the 3G band which is what my carrier uses for calls.
So how screwed am I? is there anything I can do to fix this?
Samsung Galaxy S8+
Model: SM-G9550
Version: 8.0.0.0
nidh0gg said:
Just got a S8+ from my brother and was having some troubles with it (can text/use data but not recieve/make calls) and found out that the cause was because the phone supported the 4G LTE band of my carrier but not the 3G band which is what my carrier uses for calls.
So how screwed am I? is there anything I can do to fix this?
Samsung Galaxy S8+
Model: SM-G9550
Version: 8.0.0.0
Click to expand...
Click to collapse
Try in settings - connections - mobile networks and change network mode to 2g/3g or 3g mode and see if that works.
Note: I am still on nougat so settimgs location may be slightly different on oreo.
spawnlives said:
Try in settings - connections - mobile networks and change network mode to 2g/3g or 3g mode and see if that works.
Note: I am still on nougat so settimgs location may be slightly different on oreo.
Click to expand...
Click to collapse
i've tried it and it didn't work as the specific model phone I have does not support the 3G band of my carrier (Freedom Mobile) so I can't connect to any of my carriers bands aside from the 4g LTE one
nidh0gg said:
i've tried it and it didn't work as the specific model phone I have does not support the 3G band of my carrier (Freedom Mobile) so I can't connect to any of my carriers bands aside from the 4g LTE one
Click to expand...
Click to collapse
Is this your model
https://www.sammobile.com/devices/galaxy-s8-plus/specs/SM-G9550/
If so I would get in contact with your provider and see if is compatible with there network frequencies. apart from changing providers I am not sure what you can do.
If I've done my research properly freedom mobile is Canadian region apparently there are to modes home and away have you tried the away mode
spawnlives said:
Is this your model
If so I would get in contact with your provider and see if is compatible with there network frequencies. apart from changing providers I am not sure what you can do.
If I've done my research properly freedom mobile is Canadian region apparently there are to modes home and away have you tried the away mode
Click to expand...
Click to collapse
yes that is my phone
i think away might actually work really well, how would i force it to only use away/roaming?
okay this is weird, so i turned roaming on, connected to a different carriers network (rogers) and i can text and data fine but still cannot make or recieve calls on a AWAY network....? does this mean it shouldn't be a network band problem?
it shouldnt be my sim card as my sim card works fine on my older phone fine (s7E) and i JUST got it replaced my the warranty service (to fix this problem, which it didnt). It shouldn't be the phone either as my brother put his sim back in the phone and he can make calls fine....... what is wrong here?
IT WORKED THANK YOU SO MUCH!!!
changing to rogers did not work (not sure why? maybe they use the same band is freedom)
however afterwards i changed to telus and i got calls!!
spawnlives said:
Try in settings - connections - mobile networks and change network mode to 2g/3g or 3g mode and see if that works.
Note: I am still on nougat so settimgs location may be slightly different on oreo.
Click to expand...
Click to collapse
any reason why you haven't upgraded yet??
cantenna said:
any reason why you haven't upgraded yet??
Click to expand...
Click to collapse
If you mean upgrade to Oreo I do have some minor issues at the moment nothing really major for me to worry about if I do upgrade. To save going way off topic here might be better to start a new thread or I could pm you if you like.

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