Hello modders,
I am considering buying the Xperia Z because I really like the device and software.
However after my first hands-on experience, I have discovered that the c6603 model, sold by our carrier (T-Mobile CZ), seems to have LTE disabled. Although the service menu does show all the supported LTE bands, when I go to Settings-Mobile networks and try to change the enabled networks, only the following options are available:
- WCDMA only
- GSM only
- WCDMA/GSM mode
The question remains, how this is controlled and what can be done to enable the search and support for LTE networks.
Is this stored somewhere in some carrier settings file? Is it carrier specific, so that with some operators, this is enabled automatically, for others it's disabled? Can we change it somehow?
I am not feeling quite well about these options being disabled per-carrier.
Thanks.
I think flashing unbranded firmware will work for you.
Sent from my C6602 using xda premium
I found in the UK, the option was missing on my UK Phones 4U firmware (350).
I thought it was some mods initially, but after applying the Greece FTF unbranded update (434), i got it back, even whilst running the same mods.
I flashed the UK 434 FTF update, and it's missing again, with the same mods.
These are only stock mods, status bar menu icons, reboot mod.
I will re flash the Greece Unbranded FTF and confirm if it's still missing, if it is not missing, for some reason, the UK unbranded FTF's (350 and 434) have it missing.
I flashed the .434 Nordic ftf and the LTE option is there. It wasn't on the original 3 rom.
I can't notice any difference at all that its a Nordic ftf and not a uk one, so I'll stick with this.
if LTE option is missing, it's only the option concealed but LTE is still there.
the culprit may be /vendor/overlay/com.android.phone-res.apk. try delete it after rooting.
otherwise, just ignore it and dial *#*#4636#*#* to enter what mode and you can see LTE options there.
zajDee said:
Hello modders,
I am considering buying the Xperia Z because I really like the device and software.
However after my first hands-on experience, I have discovered that the c6603 model, sold by our carrier (T-Mobile CZ), seems to have LTE disabled. Although the service menu does show all the supported LTE bands, when I go to Settings-Mobile networks and try to change the enabled networks, only the following options are available:
- WCDMA only
- GSM only
- WCDMA/GSM mode
The question remains, how this is controlled and what can be done to enable the search and support for LTE networks.
Is this stored somewhere in some carrier settings file? Is it carrier specific, so that with some operators, this is enabled automatically, for others it's disabled? Can we change it somehow?
I am not feeling quite well about these options being disabled per-carrier.
Thanks.
Click to expand...
Click to collapse
This is controlled by your vendor's customisation of the ROM, I am guessing if they have removed LTE, then they do not support it. Therefore not sure why you would want to add it back, because you will not be able to use it. Because once your vendor supports LTE, I am certain they will send you out an update.
My phone has LTE, my provider has LTE. But I had no LTE on my phone, until I changed the plan I was on. And I couldn't force that on, because the vendor blocked that.
In addition as stated here any generic ROM should give you the phone/ROM in all it's glory, provided your vendor has LTE
Did you choose the correct setting in mobile network
spida_singh said:
I found in the UK, the option was missing on my UK Phones 4U firmware (350).
I thought it was some mods initially, but after applying the Greece FTF unbranded update (434), i got it back, even whilst running the same mods.
I flashed the UK 434 FTF update, and it's missing again, with the same mods.
These are only stock mods, status bar menu icons, reboot mod.
I will re flash the Greece Unbranded FTF and confirm if it's still missing, if it is not missing, for some reason, the UK unbranded FTF's (350 and 434) have it missing.
Click to expand...
Click to collapse
I bought a Phones4U unbranded XZ a few days ago, with a T-Mob contract, and it DOES have the option, it had on when I was on 350 and it still has it now on 434. Perhaps it's related to the APN settings that the carrier sends you OTA? Obviously T-Mob is part of EE which has 4G so that could have done something.
I don't understand why your XZ doesn't have the settings though.
Are you sure you have the Z supporting LTE? There is a LTE and non LTE version on sale.
Sent from my Xperia Z using xda premium
alias_neo said:
I bought a Phones4U unbranded XZ a few days ago, with a T-Mob contract, and it DOES have the option, it had on when I was on 350 and it still has it now on 434. Perhaps it's related to the APN settings that the carrier sends you OTA? Obviously T-Mob is part of EE which has 4G so that could have done something.
I don't understand why your XZ doesn't have the settings though.
Click to expand...
Click to collapse
This was my next question, is it possible that the UK firmware reads the SIM card first and then 'knows' wether your current network is able to run LTE / 4G, if it's not, it only allows you to select the most appropriate setting, in my case GSM / WCDMA
Im on o2, not 4G, but the option was still selectable on my old Xperia V, and the Greece Unbranded Xperia Z FTF.
Have you tried a non 4G SIM / network in your phone to see if you get the option or not? Or could you...just to rule this out? If it is most likely APN related, then am not fussed, as soon as O2 has 4G, i should be able to utilize it
Cheers
spida_singh said:
This was my next question, is it possible that the UK firmware reads the SIM card first and then 'knows' wether your current network is able to run LTE / 4G, if it's not, it only allows you to select the most appropriate setting, in my case GSM / WCDMA
Im on o2, not 4G, but the option was still selectable on my old Xperia V, and the Greece Unbranded Xperia Z FTF.
Have you tried a non 4G ISM / network in your phone to see if you get the option or not? Or could you...just to rule this out?
Cheers
Click to expand...
Click to collapse
I havn't but I'll give it a go for you after work with my Vodafone SIM and let you know.
spida_singh said:
This was my next question, is it possible that the UK firmware reads the SIM card first and then 'knows' wether your current network is able to run LTE / 4G, if it's not, it only allows you to select the most appropriate setting, in my case GSM / WCDMA
Im on o2, not 4G, but the option was still selectable on my old Xperia V, and the Greece Unbranded Xperia Z FTF.
Have you tried a non 4G SIM / network in your phone to see if you get the option or not? Or could you...just to rule this out? If it is most likely APN related, then am not fussed, as soon as O2 has 4G, i should be able to utilize it
Cheers
Click to expand...
Click to collapse
Again only if your provider has locked this part out of the sim card, pretty crap if they did because this can be easily be controlled from within the network. Because when you scan it should show all networks around even ones you can't connect to, if not they have locked certain bands on the sim
I've been using an Xperia Z for a month or ++, Well, It works pretty well and stands out from the crowd with its water resistant feature !! I'm in Sri Lanka and 4G - FDD (Band 3) deployed by Dialog, they said me to update my sim to receive LTE Signal, so I went to their store and bought a LTE Sim(Difference is Ordinary sim is 32KB & LTE is 64KB doesn't matter).... they told me it will get about one hour to activate LTE, so use it we will be activating it... oh yeah after one hour I could see it through a Manual network search for network.... but there is a problem with the phone there is a coverage drop with my phone. It works only after switching on the phone. but I could manually search for network. It doesn't even work with GSM(tried every combination) afterwards what could be the problem ? Operator or My Phone
Note : I tried my other sim as well, those work fine H+
Mr.Krypton said:
I've been using an Xperia Z for a month or ++, Well, It works pretty well and stands out from the crowd with its water resistant feature !! I'm in Sri Lanka and 4G - FDD (Band 3) deployed by Dialog, they said me to update my sim to receive LTE Signal, so I went to their store and bought a LTE Sim(Difference is Ordinary sim is 32KB & LTE is 64KB doesn't matter).... they told me it will get about one hour to activate LTE, so use it we will be activating it... oh yeah after one hour I could see it through a Manual network search for network.... but there is a problem with the phone there is a coverage drop with my phone. It works only after switching on the phone. but I could manually search for network. It doesn't even work with GSM(tried every combination) afterwards what could be the problem ? Operator or My Phone
Note : I tried my other sim as well, those work fine H+
Click to expand...
Click to collapse
Its your operator called em up.
Hello,
I have an Xperia Z (C6603) that I purchased from Telstra in Australia, it came unlocked. When I came home to Canada i wanted to still use my Xperia. I put the International UK rom onto my phone, and Went to Fido for a Sim card. The Reception / Internet was Shoddy at best (2 bars for reception at home, weak 3g at home) I had all the setting set for fido as well. But I saw that Bell had Xperia's for sale I saw that a Rom Came out for Canada and I put that on my phone. Now My phone wont pick up any sim Card, ( I went to Bell and got A prepaid simcard to test to see if the networks would pick up). I was wondering if anyone else has had this problem, and knows a solution? Or If anyone has an Idea for a work around?
Thank you For your Help
Try *#*#4636#*#* and pick phone options and play with the network settings. Maybe the bell rom is defaulting to lte and your phone lacks the hardware for lte?
Sent from my C6906 using Tapatalk
Hi All,
Got a new xperia Z1 c6906, setup all things, did input correct APN, chose LTE in the mobile setting. But it couldn't get LTE connection, it always go back down to H+ / 3G, always switch between H+ and 3G. just wondering if the baseband problem? or I have to call Fido and ask them to register my IMEI to their LTE network if the phone couldn't do it itself? thx so much anybody can help.
p.s. previously using Samsung SIII, using LTE sim card and sure in LTE area since I didn't move.
*#*#7378423#*#* to check what LTE bands you have.
BTW, you should post this on Z1 forum.
Sent from my C6603 using Tapatalk
I have an unlocked Galaxy S4 active i9295 and I cannot get the 4G or the LTE working since I do not have even the option I only have WCDMA/GSM I travel around the world with this phone and now I am in Ireland on 3 and still I am getting H+ showing and not LTE or 4G. Is there a way to activate 4G or is there any special 4G sims ?
I would check your APN settings, seeing how you are unlocked, the proper APN may not be installed to match your Sim, check with your carrier, to make sure they are 4G and LTE capable and get their settings.
Sent Via Smoke Signals
Try ShowServiceMode. It should help to unlock LTE band. It worked for me here in Poland, because local career's LTE was locked by my Russian firmware. But using this program I can only switch between phone calls (GSM/3G) and LTE, they cannot work simultaneously.
Thank you guys. One major thing is that why I can even see the option in the settings? If anyone else has some information please help out.
Thanks