galaxy s8+ change lte band without root - Samsung Galaxy S8+ Questions & Answers

Hello maybe possible change lte band from auto to band 3(1800mhz) on this phone without rooting phone?Because if i root i lost warranty.This code not works *#2263# and this method not works https://youtu.be/fEs82-BRsNA very please help.Phone always on low speed band 20 800mhz.Band 3 works but signal is not stable.Huawei mifi router works very good set only 1800mhz band 3.Or maybe is app to change without root.?I waiting answer thanks.

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3G or better

Has anyone found a way to tell the radio to allow 3g or better connections?
My carrier has crappy voice quality over 2G and during the N4 days I used to set 3G only.
Now with the Nexus 5 I don't want to loose LTE connectivity, so I'm looking for a way to tell the modem to use UMTS or LTE connections only.
georgemv said:
Has anyone found a way to tell the radio to allow 3g or better connections?
My carrier has crappy voice quality over 2G and during the N4 days I used to set 3G only.
Now with the Nexus 5 I don't want to loose LTE connectivity, so I'm looking for a way to tell the modem to use UMTS or LTE connections only.
Click to expand...
Click to collapse
I don't believe there is any mod for this as of yet. You'd have to lock to wcdma (hspa+) or leave it as is with edge/wcdma/lte. The only other thing i could think of is some sort of apn configuration to achieve your desired result. You would have to speak with technical support of your carrier to see.
Hope this helps

US LTE bands on European Lg g flex 2 H955?

Hope somebody has a solution for this. I brought H995 from europe to us hopping to use it on at&t. I'm rooted so there is no problem accessing hidden menu where LTE bands can be enabled, however when i click on bands 2, 4, 17 i get FAILED. According to some this means that bands are enabled already. The problem is that device connects only wiht HSPA+ and not LTE LTE Discovery shows that LTE is not available. Speedtest shows that download speed is 9,91 Mbps - upload 1.29 Mbps - its not bad, but still not LTE.
Love the phone after rooting, debloating, and changing heat profile - runs great.
So the question is - can something be done to get LTE?
Thanks,
Romas

[URGENT HELP] 2G/No signal on my Nexus 5

Hey guys,
So my Nexus 5 stopped working the other day, and I sent it for repairs. It's come back now and I got a new SIM. Airtel 4G here in New Delhi, India. The problem is, it will only show me a 2G connection/no signal at times. I don't know what to do. The SIM works in other phones perfectly well. I've tried going to *#*#4636#*#* and changing to WCDMA only. Doesn't work. What is the alternative solution guys?
The phone was bough in the USA but before it got repaired, 3G worked flawlessly. So at least that should work, if not 4G.
Thanks,
Crazysah
No one has had this problem? Or no one knows a solution?
Hi, Airtel as I see operate in 2G (GSM, EDGE), 3G (HSPA+) and 4G (TD-LTE band 40). But Nexus 5 (USA model) D820 doesn't support TD-LTE (band 40), so for sure you can't connect to 4G. But 2G and 3G should be ok. You can reset network settings and check again.
kraseto said:
Hi, Airtel as I see operate in 2G (GSM, EDGE), 3G (HSPA+) and 4G (TD-LTE band 40). But Nexus 5 (USA model) D820 doesn't support TD-LTE (band 40), so for sure you can't connect to 4G. But 2G and 3G should be ok. You can reset network settings and check again.
Click to expand...
Click to collapse
Yes. 3G should work at least. But it isn't and that's the problem. Before repairing it, it used to work with my mom's Vodafone 3G connection. What's the solution here?
Can you try to restart and after that change to "GSM auto (PRL)" from *#*#4636#*#* menu? Are you tested other device with this SIM in the same location ?
kraseto said:
Can you try to restart and after that change to "GSM auto (PRL)" from *#*#4636#*#* menu? Are you tested other device with this SIM in the same location ?
Click to expand...
Click to collapse
Tried that. With no luck. I changed it to GSM auto (PRL) and stayed on that menu. Still showing E with full signal strength.
Any idea guys?
Nobody at all has any solution to this?
i had this problem on my d821 eu version in algeria same problem as you sometimes i got 3g but no lte :/ it got boring so i sold it tried every rom on every android version official and unofficial diffrent radios and basebands it just doesnt work you should say goodbye to it sorry

Changing a default 4G band

Hello. I am an owner of Huawei P7-L00 (dual sim). I have a problem with sim slot 1 with many signal disconnections. My phone is also for FDD-LTE & TDD-LTE band. I had a contact with my provider and told me that the possible reason is that sometimes my phone tries to find the default 4G band (TDD) that is not supported in Greece. Othertimes succeed to make a search to find the optional band (FDD) that is supported in Greece and is supported by phone too and other times doesn't succeed to make a search and I lose my signal. Could you inform me how can I change the default band to (FDD) or how can I delete the app or the process which making this searching? Any other opinion of the problem, please?
Thanks in advance!

Fujitsu Arrows 5g F-51A, missing LTE band 20 and other EU bands.

Q : Is it possible to activate, do coding, install or flash the phone to obtain Full range of 5G LTE 3G bands on this device for EU ? It was bought from Japan and it's set for this market.
I don't know wehere to start, it's a very good device and I'm well used to it, but I live in rural area where LTE band 20 is dominant, lack of it causing a lot of problems while on the move.
Any ideas ?
Billskirnir said:
Q : Is it possible to activate, do coding, install or flash the phone to obtain Full range of 5G LTE 3G bands on this device for EU ? It was bought from Japan and it's set for this market.
I don't know wehere to start, it's a very good device and I'm well used to it, but I live in rural area where LTE band 20 is dominant, lack of it causing a lot of problems while on the move.
Any ideas ?
Click to expand...
Click to collapse
Same problem in my country but I changed operators and it worked.

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