Xperia Z C6603 problem 4G - Xperia Z Q&A, Help & Troubleshooting

Hi all members please I need some help with my Xperia Z c6603 when I research I find the 4G network and I install an app to turn only 4G but there's no signal ? 4G please help me :'(

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Boost network

Hi do anyone know how to boost the network to be more strong?? My network very low pls help
Sorry for the bad english
Sent from my C6603 using xda premium
My signal is.excellent. if your network is weak, call your provider and tell them to install a microsite in your area.
Sent from my gorgeous White Xperia Z

[Q] Xperia Z 3G and LTE version

I'm in UAE when I bought my xperia z only 3G version was in market so mine one is only capable for 3G but I've rooted my phone now it have stock 4G rom but I can't use 4G please help me how can I enable/unlock 4G in my Xperia Z.
If your model number is not C6603, you can't get LTE Service
Enviado desde mi C6603 usando Tapatalk 2
This is my phone model it's C6603
Sent from my C6603 using xda premium
shamrozr said:
This is my phone model it's C6603
Sent from my C6603 using xda premium
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Click to collapse
Since you flashed an LTE rom, the build prop of that rom is most likely to say C6603.
Look at the printed letters at the botton of your device, above the barcode, there should say the actual model number of your device.
There are no work arounds for c6602, even if you flash a c6603 ftf file, it wouldn't give you LTE capabilities.
If you really want LTE you need to purchase the c6603. Make sure it supports your carrier's LTE network frequencies.
Sent from my C6603 using xda premium
shamrozr said:
I'm in UAE when I bought my xperia z only 3G version was in market so mine one is only capable for 3G but I've rooted my phone now it have stock 4G rom but I can't use 4G please help me how can I enable/unlock 4G in my Xperia Z.
Click to expand...
Click to collapse
Also even if it was possible, you need that your provider give you a 4G access and a 4G package, you're ****ed anyway, your phone doesn't handle the 4G, i'm sorry for you.
Keep in mind that only few people have actually the 4G access, the deployment is in progress in many countries and many towns and for many providers.
shamrozr said:
I'm in UAE when I bought my xperia z only 3G version was in market so mine one is only capable for 3G but I've rooted my phone now it have stock 4G rom but I can't use 4G please help me how can I enable/unlock 4G in my Xperia Z.
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Click to collapse
I am living In uae Also and I bought the c6602 Also and I flashed a rom and its written there now c6603. LTE is not only software optmiziation but hardware too. But even if you have 4G its speed is barely over 3G in most of the places. it works fine only in few places
I got 134 mbits and 32 Mbits maximum on iphone 5 (my speed tests)
Sent from my C6603 using xda premium
the hardware is different for both the versions so it wont work

Hi how i change the h and h+ icon to 4g

Hi how i change the h and h+ icon to 4g because in the xperia z t mobile version have it, thanks
Sent from my C6602 using xda app-developers app
Your phone does not support 4g !!!
Or you want just to change the icon?
Sorry I came understand what you want
Sent from my Nexus 7 using Tapatalk 2
hi
Just chage the icon thanks
fish droid said:
Your phone does not support 4g !!!
Or you want just to change the icon?
Sorry I came understand what you want
Sent from my Nexus 7 using Tapatalk 2
Click to expand...
Click to collapse
I guess it all depends on your network + phone. It seems like you are using the HSPA+ of the Xperia Z (C6602).
4G is applicable on the C6603 versions.
Why you want to change when it does not make a difference in your network speed?
newtbie said:
I guess it all depends on your network + phone. It seems like you are using the HSPA+ of the Xperia Z (C6602).
4G is applicable on the C6603 versions.
Why you want to change when it does not make a difference in your network speed?
Click to expand...
Click to collapse
yes but is there any mod or something to chage te H and H+ to 4G and 4GLTE something like that?
Let me guess...... are you trying to pass off your phone as the LTE version and sell it off?
Noo i dont try to do that
:/ because in galaxy vibrant theres a mod make h to 4g and h+ to 4glte this phone is mine and i dont want to sell it >_>
Sent from my C6602 using xda app-developers app
No I don't think he's being shady I wondered the same I have a 6606 witch has t-mobile lte but when u flash the 6603 ftf for 4.2.2 it now keeps its let but now shows as h and h+
Sent from my C6603 using xda premium

Problem in using LTE

Hi everyone,I have z1 and I am using T-mobile operator.why my smartphone can't register and work with LTE?
(I live in UK and I get LTE signal and my rom is updated : C6903)
Thank you in advance
Sent from my C6903 using Tapatalk

Can i use LTE connection using c6602 xz with c6603 rom?

Im just wondering if i can use lte service. Btw i know that c6602 is only h+ capable but is there any method or tricks i can do to make it LTE?
Sorry for noob question :fingers-crossed:
Put simply; no. The C6602 doesn't have the necessary hardware to use LTE.
Sent from my C6603 using Tapatalk

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