Seaching for LTE band 20 - need help - Xperia Z3 Compact General

Just got my refurbished Z3 compact D5803. I am surprised to see only 4 LTE Bands in service menu: 1,3,19,21. For me band 20 is important to get connected. What is the trick? When I looked arround for specs I read that D5803 supports band 20. There is no net/sim- lock.
Can anybody help me?
Rgds!

You likely don't have an actual D5803. The Japan DoCoMo model only supports LTE bands 1, 3, 19, and 21, so it sounds like you have the Japanese model flashed with D5803 firmware.
This kind of thing is not uncommon with these Chinese refurbs. Often they will sell refurbs of the Japanese models at a much lower cost than the international models (due to the restricted radio band support), but I have heard of isolated incidents of somebody buying a Chinese refurb of an international model & getting one that clearly has the motherboard from a Japanese model phone inside of it.

Related

S7 Edge in Hong Kong Snapdragon or Exynos

Hi,
It seems i have to buy the phone in Hong Kong to use the TDD LTE network from China mobile.
Does anybody know, what version of the S7 edge is sold in Hong Kong, is it Snapdragon or Exynos?
How can i check the difference before i buy the phone? Do They have different version numbers marked on the packaging?
Thanks!
Does anybody know, what version of the S7 edge is sold in Hong Kong, is it Snapdragon or Exynos? Snapdragon 820 (G9350)
How can i check the difference before i buy the phone? Just check the packaging
Do They have different version numbers marked on the packaging? Just G9350
Last year when I was still living in HK (and traveling between the US & Bangkok) I had the option to get the S6 Edge in any of the 3 locations. I chose the G9250 version simply for the wider LTE band coverage. It was a mistake. True that I could use it anywhere I traveled to, I failed to realize that in each place, with a local SIM, you'll have to be subscribed/registered (or whatever you call it) to LTE, otherwise you'll be connected to at most HSPA+ - rendering all those LTE bands a moot point. What I was deprived of, as a result, was the lack of development support. I was so itching to root the phone and ticker the hell out of it but decided just to leave it as stock - even until now.
1 year latter, along came the S7 and the exact same choice. This time it was easy and there was absolutely no doubt, I went with the international Exynos version - 935FD (silver) and never looked back. And yes, I rooted, TWRPed, Xposed, but still on stock ROM. I am having fun with my phone again
Do yourself a big favor and pass on the HK/Chinese 820 SD version - especially if you want root and beyond.
kittiyut said:
Do yourself a big favor and pass on the HK/Chinese 820 SD version - especially if you want root and beyond.
Click to expand...
Click to collapse
Yea, that why i asked the question, i will only buy the phone if i am able to root it.
My main problem is that i mostly stay in China and China mobile has TDD LTE, i don't know if the international version of the S7 edge can use LTE.
Does anyone know if the international version works with china mobile?
I don't think even the SD820 935F version can be rooted yet, you'll probably have to wait even longer for the 9350.
So now you have a dilemma: Get the rootable 935F/FD and not be compatible with China Mobile's LTE TDD bands 38, 39, 40, 41 - OR - Get the 9350 and not being able to root.
Remember that you can easily switch to "China Telecom or China Unicom" both of which uses LTE bands 1,3,5 and 3 respectively.
You can also still get 2G/2.5G on China Mobile with the 935F/FD
kittiyut said:
I don't think even the SD820 935F version can be rooted yet, you'll probably have to wait even longer for the 9350.
So now you have a dilemma: Get the rootable 935F/FD and not be compatible with China Mobile's LTE TDD bands 38, 39, 40, 41 - OR - Get the 9350 and not being able to root.
Remember that you can easily switch to "China Telecom or China Unicom" both of which uses LTE bands 1,3,5 and 3 respectively.
You can also still get 2G/2.5G on China Mobile with the 935F/FD
Click to expand...
Click to collapse
Hello,
I know this is a year old but I just came across this whilst researching for the S8. Just to add, I have the 935F from the UK and it works fine on 4G on China Mobile, not restricted to 2G/2.5G at all.

Lte bands at&t

Is there any way to switch the lte bands. Normally I would dial #*#*4636*#*# but the phone information is saying its not available on this device. Both my nexus 6p and my old note 7 got good signal but this phone is horrible as far as signal strength goes.
McQueefus said:
Is there any way to switch the lte bands. Normally I would dial #*#*4636*#*# but the phone information is saying its not available on this device. Both my nexus 6p and my old note 7 got good signal but this phone is horrible as far as signal strength goes.
Click to expand...
Click to collapse
this is my question as well. AT&T page for V20 lists LTE bands and band 17 is NOT among them. band 17 is supposedly the main ATT LTE band, which basically means you will only be able to get LTE on V20 on ATT on the backup LTE bands where they are available ...
i'm looking for confirmation that this is true, because who knows - maybe some idiot just forgot to type in number 17 on that info page ...
Notes, iPhones and Pixel all have band 17 ...
obviously i won't be getting iPhone and i can't get the Note. i didn't really want to get the Pixel because i feel like it's overpriced ...
but if what you're saying about V20 getting bad signal is true then Pixel may be the only choice ...
i started having my suspicions about V20 when i heard it won't be coming out in UK, which i thought was very odd ... but apparently one difference between Snapdragon 821 in Pixel and 820 in V20 is that 821 has more LTE bands, which would make it better both for ATT and better as a global phone for travel ...
again, i'm looking for confirmation that this is true.
HELP ???
McQueefus said:
Is there any way to switch the lte bands. Normally I would dial #*#*4636*#*# but the phone information is saying its not available on this device. Both my nexus 6p and my old note 7 got good signal but this phone is horrible as far as signal strength goes.
Click to expand...
Click to collapse
If you're talking about being able to choose specific LTE bands, I do that on my Tmobile handset using this dial code (use at your own risk)
*#546368#*918# - for AT&T you need to use 910 or 915 depending on your model # (not sure why AT&T has 2 different model #'s)
So it would be
*#546368#*910# or *#546368#*915#
Then
Go to Field Test
Modem Settings
LTE Band Selection
Choose band
To revert back to auto scanning
Go to Field Test
Modem Settings
Network Mode
Automatic
nest75068 said:
Go to Field Test
Modem Settings
LTE Band Selection
Choose band
To revert back to auto scanning
Go to Field Test
Modem Settings
Network Mode
Automatic
Click to expand...
Click to collapse
The 910 doesn't have those options under modem settings.
g1981c said:
this is my question as well. AT&T page for V20 lists LTE bands and band 17 is NOT among them. band 17 is supposedly the main ATT LTE band, which basically means you will only be able to get LTE on V20 on ATT on the backup LTE bands where they are available ...
i'm looking for confirmation that this is true, because who knows - maybe some idiot just forgot to type in number 17 on that info page ...
Notes, iPhones and Pixel all have band 17 ...
obviously i won't be getting iPhone and i can't get the Note. i didn't really want to get the Pixel because i feel like it's overpriced ...
but if what you're saying about V20 getting bad signal is true then Pixel may be the only choice ...
i started having my suspicions about V20 when i heard it won't be coming out in UK, which i thought was very odd ... but apparently one difference between Snapdragon 821 in Pixel and 820 in V20 is that 821 has more LTE bands, which would make it better both for ATT and better as a global phone for travel ...
again, i'm looking for confirmation that this is true.
HELP ???
Click to expand...
Click to collapse
THAT IS NOT THE DIFFERENCE. Modem and CPU part of the SOC are totally different things. The pixel is and unlocked and more likely to support more bands as unlocked phones tend to be more globally friendly. Chances are that certain bands are on there but T-Mobile has it disabled or LG. T-Mobile is usually more bands friendly but not always, as the HTC M8 was seriously gimped in the LTE bands, didn't even support T-Mobile's band 12. I would look at the unlocked version of the V20 to decipher more info.
And you're welcome for the undeserved thanks. Your comment made no sense. Qualcomm modems for certain phones are usually about 2-5 different sets depending on markets a phone will serve. It is usually 2 or 3 when the phone is released worldwide basically and every carrier and market will have certain bands disabled for whatever reason. It also rare for developers to enable them as it takes specialized hardware or knowledge of the software. Another factor is if the antenna for certain bands are even in the phone. No antenna for a band then no firmware will ever be able to enable it, much less some hijinks tweaking.
@rbiter said:
THAT IS NOT THE DIFFERENCE. Modem and CPU part of the SOC are totally different things. The pixel is and unlocked and more likely to support more bands as unlocked phones tend to be more globally friendly. Chances are that certain bands are on there but T-Mobile has it disabled or LG. T-Mobile is usually more bands friendly but not always, as the HTC M8 was seriously gimped in the LTE bands, didn't even support T-Mobile's band 12. I would look at the unlocked version of the V20 to decipher more info.
And you're welcome for the undeserved thanks. Your comment made no sense. Qualcomm modems for certain phones are usually about 2-5 different sets depending on markets a phone will serve. It is usually 2 or 3 when the phone is released worldwide basically and every carrier and market will have certain bands disabled for whatever reason. It also rare for developers to enable them as it takes specialized hardware or knowledge of the software. Another factor is if the antenna for certain bands are even in the phone. No antenna for a band then no firmware will ever be able to enable it, much less some hijinks tweaking.
Click to expand...
Click to collapse
OK i followed your advice and looked up Unlocked V20. i'm not allowed to post links yet but from bhphotovideo page the unlocked US version has LTE bands: 2, 3, 4, 5, 7, 12, 13, 17, 20, 25 which includes the band 17 ...
while the ATT page lists LTE bands: 1, 2 ,3, 4, 5, 7, 12, 20, 29, and 30 which does NOT include band 17 ...
now the question is, assuming that information is correct, why on earth would ATT chose the version of a phone that doesn't have the main ATT band ?
is there any way to find out whether the above information is accurate ?
as an ATT subscriber, would there be any advantage / disadvantage for getting unlocked phone from B&H versus ATT branded phone from ATT ?
should i try to contact some sort of ATT technical support to try and get an answer ?
EDIT:
according to article titled "LG V20 Model Numbers (F800, H910, H918, H990 DS Dual, H990N Dual, H990T, LS997, US996, VS995) Differences" from techwalls dot com the ATT version has bands: 1,2,3,4,5,7,12,17,20,30 which again has the band 17. it has same number of bands but compared to information on ATT page it subtracts band 29 and adds band 17 ...
frankly, this makes far more sense than ATT page info, but for 800 bucks i need to know for sure ...
EDIT:
according to frequencycheck website the ATT version of V20 ( H910 / H915 ) supports all ( 8 out of 8 ) bands used by ATT, all 4 LTE bands as well as both GSM and both UMTS bands used by ATT.
according to LG's own website H910 has: 2/4/5/12/29/30, Roaming 1/3/7/20, and CA ... which is the same was what ATT lists except for "CA" ...
Band 12 replaces band 17
The way I understand it, band 12 and band 17 covers the same frequency range. At&t has achieved (they were forced by FCC) interoperability between band 12 and 17 now. So band 17 is essentially obsolete and only useful if you are on the at&t network. If you have band 12 capability on your phone, you can use any 700mhz at&t tower that formerly may have only supported band 17. Now all those towers support both bands. And you can use smaller carrier towers too if you have band 12 capability.

LTE Bands for OP5

Hi all,
I am considering buying an OP5 from Dubai, but I live in Europe (Switzerland).
Does anybody know if the specs vary around regions? Or is it safe to assume that 4G/4G+ will work (including band 20 etc.)?
Thanks
atzakas said:
Hi all,
I am considering buying an OP5 from Dubai, but I live in Europe (Switzerland).
Does anybody know if the specs vary around regions? Or is it safe to assume that 4G/4G+ will work (including band 20 etc.)?
Thanks
Click to expand...
Click to collapse
Please search. I'm sure you can easily find what your carriers Lte bands are and then research what's op5 bands are supported
I know what the bands for my carrier are and I can find the specs for OP5 on the Oneplus website. It appears that there are no differences in the hardware across regions but I wanted to confirm that. I know other brands (like Xiaomi) differentiate the hardware depending on the region where the phone is sold.
OP5 now supports 32 bands, all on same worldwide phone.

Does SM-G950 / SM-G950U1 (US Unlocked) support TDD LTE Band 40 (2300MHz)?

I bought an SM-G950U1 (US Unlocked) from Best Buy. Does any one know if it supports TDD LTE Band 40 (2300 MHz)?
There is conflicting information on this! Answers given in various specs vary as follows:
YES (it supports LTE Band 40) --- according to specs given by sellers like Best Buy, B&H, and many online sites like gsmarena, phonearena, frequencycheck.com, etc.
NO (does not support LTE Band 40) --- according to the Samsung support person I talked to over the phone. Also, the FCC filings for SM-G950U do not list TDD LTE Band 40 (they have only one TDD band listed, Band 41, presumably for Sprint). On the other hand, although TDD LTE Band 41 is actually known to work with the SM-G950U1, the official Samsung SM-G950U webpage does not list any TDD band at all, not even Band 41 (it lists only FDD LTE bands).
https://www.samsung.com/us/mobile/phones/galaxy-s/galaxy-s8-64gb--unlocked--sm-g950uzkaxaa
Does anyone know the real answer here? Has anyone actually tested the SM-G950U1 for Band 40 support in a suitable country (Peru, South Africa, India, Australia)?
adg2012 said:
I bought an SM-G950U1 (US Unlocked) from Best Buy. Does any one know if it supports TDD LTE Band 40 (2300 MHz)?
There is conflicting information on this! Answers given in various specs vary as follows:
YES (it supports LTE Band 40) --- according to specs given by sellers like Best Buy, B&H, and many online sites like gsmarena, phonearena, frequencycheck.com, etc.
NO (does not support LTE Band 40) --- according to the Samsung support person I talked to over the phone. Also, the FCC filings for SM-G950U do not list TDD LTE Band 40 (they have only one TDD band listed, Band 41, presumably for Sprint). On the other hand, although TDD LTE Band 41 is actually known to work with the SM-G950U1, the official Samsung SM-G950U webpage does not list any TDD band at all, not even Band 41 (it lists only FDD LTE bands).
https://www.samsung.com/us/mobile/phones/galaxy-s/galaxy-s8-64gb--unlocked--sm-g950uzkaxaa
Does anyone know the real answer here? Has anyone actually tested the SM-G950U1 for Band 40 support in a suitable country (Peru, South Africa, India, Australia)?
Click to expand...
Click to collapse
I don't have a carrier that would have Band 40, but here is the thread which lists all bands for different versions of S8. You can try asking there as well.
https://forum.xda-developers.com/galaxy-s8/how-to/samsung-galaxy-s8-compare-network-t3597705
Thanks. I have posted to the thread you mentioned. It is surprisingly hard to find the answer to such a simple question for such a flagship device!
adg2012 said:
Thanks. I have posted to the thread you mentioned. It is surprisingly hard to find the answer to such a simple question for such a flagship device!
Click to expand...
Click to collapse
Band 40 LTE is there. Open phone and dial *#2263# and it will list all bands active in the phone, including 40. It is in mine.
Thanks Danny Noman! The *#2263# code did work and showed Band 40. Wonderful!
One question: The *#*#4636#*#* info menu does not seem to work on the S8 (works on many other android phones). Any idea what might be an equivalent for the S8?

N9860 - Unlocking LTE band 17 in Canada?

I'm thinking about getting an N9860 since it seems to be the cheapest Snapdragon option for a Note 20 Ultra.
This phone appears to support all the necessary bands for my carrier (Koodo) in Canada except LTE band 17. I live in a big city so this low-ish frequency band will be important for reception in areas with building density.
I've seen discussions around changing the CSC to potentially unlock additional bands, but I'm having trouble understanding whether that means all Snapdragon models support the same bands.
Could anyone provide clarification about this? Has anyone managed to unlock band 17 on this HK/CN model?
AFAIK, you can not unlock bands. I'm in Canada too but with Fido and Korean N986N. No band 17, but the reception has been fine so far aside from VOLTE and wifi calling not working.

Categories

Resources