I've bought a Galaxy S7 duos and have realized that the second sim only supports 2G.
Here in Japan there is no 2G network, only LTE and UMTS. Can anyone suggest a dual sim phone which supports LTE/UMTS on both sims?
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Hi, I am an owner of this very nice smartphone, I'm very happy with it but there are a couple of problems that I'm not able to fix:
- it is sold as a 4G (LTE) phone for the sim card on the main slot and 3G on the second slot, it works only on 3G network for the main slot and 2G for the secon one
- an annoying metallic voice or strange noise when I receive or make a call from/to some numbers with a specific sim card (it's random but always the same numbers, I mean... not all numbers of a specific carrier but only some numbers of that carrier and never, till now, with other carriers).
It occours when that sim card is in the second slot (2G) or in the main slot and I force the 2G network on the main slot.
Did you experience the same problem?
spuntop said:
Hi, I am an owner of this very nice smartphone, I'm very happy with it but there are a couple of problems that I'm not able to fix:
- it is sold as a 4G (LTE) phone for the sim card on the main slot and 3G on the second slot, it works only on 3G network for the main slot and 2G for the secon one
- an annoying metallic voice or strange noise when I receive or make a call from/to some numbers with a specific sim card (it's random but always the same numbers, I mean... not all numbers of a specific carrier but only some numbers of that carrier and never, till now, with other carriers).
It occours when that sim card is in the second slot (2G) or in the main slot and I force the 2G network on the main slot.
Did you experience the same problem?
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Click to collapse
Which ever version of the phone that you get is not able to do 4G or LTE so thats a scam of the carrier and for the noise im not sure what can it be.
Sent from my SM-G850F
Vendor assured me that the phone can go in LTE... I must investigate which frequency use Vodafone in Italy.
spuntop said:
Vendor assured me that the phone can go in LTE... I must investigate which frequency use Vodafone in Italy.
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Click to collapse
And if you can search the web you can see for your self that P6 does not support lte in any way.
Sent from my SM-G850F
P6S does!
I'm talking about it, not P6.
Specs:
Dual Sim Yes, Full Active DSFA
2G GSM 850/900/1800/1900 Mhz
3G WCDMA 850/900/1900/2100 Mhz
4G LTE 900/1800/2100 Mhz
Slot Sim Card Dual Sim W+G/G+G - Micro Sim
spuntop said:
P6S does!
I'm talking about it, not P6.
Specs:
Dual Sim Yes, Full Active DSFA
2G GSM 850/900/1800/1900 Mhz
3G WCDMA 850/900/1900/2100 Mhz
4G LTE 900/1800/2100 Mhz
Slot Sim Card Dual Sim W+G/G+G - Micro Sim
Click to expand...
Click to collapse
You are wrong!
Link to GSM arena:
http://www.gsmarena.com/huawei_ascend_p6_s-5979.php
mojster666 said:
You are wrong!
Link to GSM arena:
http://www.gsmarena.com/huawei_ascend_p6_s-5979.php
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Click to collapse
Thats what I'm trying to explain all the time.
Sent from my SM-G850F
You are probably right and it isn't an LTE device... but for sure the specs on gsmarena are wrong when they say it is a dual sim dual standby.
It is dual active, I can receive calls on the second sim while I'm engaged on the first, hold this and answer on the second and vice versa.
On huawei.ru they say it is 3G, no P6S found on huawei.com.cn
Yes, you are right about dual sim specs. It is definitely dual active.
On GSM Arena are practically all phones dual sim standby. But this is wrong. However, we must admit the fact, that dual sim active phones are very rare.
Does anyone know how to use jio SIM on tab 3 7 or how to active engineering mode
Reliance Jio is a CDMA/LTE operator. They do not have GSM or UMTS towers. Only CDMA and LTE devices can work on their network.
You will need either a CDMA capable Galaxy Tab 3 variant (SM-T217S, specifically designed for Sprint in United States and will generally be SIM locked), or an LTE-capable variant supporting India's LTE bands.
Jio does not offer GSM or UMTS services. If your Galaxy Tab 3 variant is a 3G/GSM variant, it can never work with Jio.
As an addendum, you won't be able to use SMS with Jio if you use a compatible LTE device that isn't also CDMA. GSM-based LTE devices can only send SMS over LTE when connected to LTE operators that upgraded from GSM and UMTS, or if both the network and device support VoLTE.
I can't find a solid answer on this. I'm looking for a dual SIM phone that doesn't limit the 2nd SIM to 2G, like most older dual SIM phones. I found one source online that says it does support 3G on SIM2 after a software upgrade.
In particular I'm curious if it's supported on LineageOS ROM. My question in the relevant thread for that has gone unanswered. For now I'd be happy to know that it works even with stock.
You can run either the first or the second SIM on 3G, but you can't run both at once on 3G. As soon as you set one SIM to 3G, the other drops back to 2G. This defeats the purpose of Dual Sim in countries like Australia that have stopped using 2G. There's only one 3G radio in the phone.
This information is for the A7 2017, but presumably it's the same for the A5 2017.
A520F-DS, the dual 3G/2G works. At least dual standby. Stock TW. Also works with 4G on 1 SIM.
screenshot
Some apps might not update the signal strength(Android 1 telephony API, single SIM, 2G doesn't really support the newer(cellids only, no signal strength unless it's matched with the neighbouring cell info), 3G dual, and most of 4G is OK). To fix this, insert 2 sims, set 1 as default for everything, remove that SIM, the signal strength will update for the other SIM.
Band Selection(3G/2G only unless the other SIM is set to that) and Band Disable(4G/3G) works and only applies on the selected SIM. Requires root or specific CSCs.
Cell Locking applies only on SIM 1 and could affect SIM 2.
I've owned three different dual SIM phones (current one is the A3) and none of them could do more than 2G for the "other" SIM. Totally agree with @ryebuck that it defeats the purpose of dual SIM devices in some countries, the more so when more countries will drop 2G in the future. Either manufacturers start making REAL dual phones, or the dual concept will die of its own death.
Hey guys, currently live in the UK and am looking to purchase the S9, the model that catches my eye is the SM-G965FD*(Asian Model) as I've read the dual sum variant supports dual sim LTE/4G (Both sims can connect to 4G) and hopefully this is simultaneous like the Mate 10 Pro is.
Now I have a question, I know the phone will work on 4G here as I've checked the bands, but I'll be visiting Argentina soon for a month or so and I am wondering if it works there. As I've read that North and South America uses a type of LTE called AWS, I don't believe this is used in the UK or Europe.
Just wondering so I don't arrive there with a local SIM and be dissapointed. Also can someone confirm this variant does support Dual SIM 4G/LTE as the global variant is 4G/LTE in SIM slot 1 and only 3G-2G in SIM 2.
Cheers!
Moto Z2 Force (USA AT&T UNLOCKED) doesn't have LTE with any Venezuelan SIM provider
Hello i will do my best to try to explain my issue.
I bought a Moto z2 Force x (At&t) unlocked in EBAY, here in Venezuela i used in Movistar (3g band 1900 / LTE band 4 1700/2100)
The phone dont work with LTE , only 3g (it show 4G logo in signal bar, but not 4g LTE) .
if i do *#*#4636#*#* and enter in network hidden menu, and put in LTE ONLY, the phone enter in NO SERVICE.
I have tried Digitel (3g Band 900 / LTE band 3 1800) , same thing, only takes 3G, if put on LTE ONLY, no service.
In settings, networks, movil networks, preferred network type are only 3 options ( 4G Recommended, 3g, 2g).
I put a Verizon wireless sim card and the options change in the network menu (Global, CDMA, LTE,GSM,UMTS), but no signal because im here in venezuela, of course.
If i put a AT&T the menu totally changes, put ad LTE, LTE ROAMING, VOLTE...
What can i do with my phone to enable 4G LTE Bands? Why my phone is not working with LTE normally? It is software issue? At&t stuck phones to dont work with LTE with foreing sim cards?
Im very confused because if i put Movistar and Digitel SIm cards in LG g6 H873, Moto G4 Amazon PRime, Xiaomi Redmi 6, all the phones takes 4G LTE in seconds.
I hope some of you have the correct answer. Sorry for my bad english, i've did my best