Please I need to know if the Droid Incredible 2 which is said to be a dual network phone (GSM/CDMA) actually supports dual standby, as in I can program it for CDMA and insert a SIM card then both networks will be on at the same time and I can actually use either GSM or CDMA to make and receive calls. I've come across some world phones (Blackberry Storm 2) which can only support one network or the other at a time, meaning I can use one network while the other is deactivated. Is it the same with the Incredible 2? Please I need to know before buying. Thanks for any and all responses.
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Hello Everybody,
My brother lives in the US, I live in Holland, Europe. As he was visiting me, he fell in love with the DHD.
The big question now is, can he use the phone normally in the States. I know the phone is quadband, so calling and texting should be fine. But I'm not really aware of which techniques/frequencies Verizon uses for data/3G. Can he use this phone there?
At the moment he has a blackberry with a simcard, so he can just put that one in the DHD I reckon?
He will be able to use the phone on GSM networks only, and won't receive any 3G. 2G / EDGE will work fine however.
He could also try to get an Inspire which is basically the American GSM Desire HD which should support 3G and even 4G if he's on AT&T.
Thanks for the info.
Also I see that the Thunderbolt is coming soon. Isn't that like the DHD from Verizon. (he's on Verizon at the moment, and I'm not sure if he's willing to switch)
Indeed, the Thunderbolt is the Verizon Desire HD equivalent. You got me confused because Verizon don't use SIM cards and the DHD definitely won't work on Verizon.
Well, he has a blackberry with a SIM card at the moment. As I understand though, the blackberry is a hybrid phone which uses GSM(sim card) and CDMA.
Still think it's weird he currently owns a Verizon phone with a SIM card though.
I am planning on getting the zenfone 2 until I became questioning. I have a personal phone on wind and a business phone on telus, and I need to know if the dual Sim will support that. One of them will be the data but both numbers are gonna be used. I can set up call forwarding. Will this configuration work? Thank you
PS. This is for 2 gig 1.8 GHz version
Provided the sim you use for data is in sim slot 1 and you don't want anything other than talk and sms on sim 2. It should be fine. The sim in the 2nd slot must be able to support 2g.
I need the telus one to support 2g then? How do I check of it is supported
Ask them? I'm on a 3 and 4g only network for one sim and that has to be in slot 1. Won't work in sim 2 at all. The other sim is an EE UK sim and that works fine in both slots.
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.
Looking for a clarification here before I make the jump to a dual sim phone. Located in the US.
My goal is to combine 2 services into one phone. I have a primary Verizon MVNO service that I use for Calls, MMS and Data. I want to add a second SIM, preferably also a Verizon MVNO, for Calls/Text.
I have seen some comments indicating that you can't use 2 CDMA SIMs at the same time.
If that is the case, the only option for the second SIM would be a GSM service, correct? If that is the only option, can the second SIM can only be used for Calls and Text? How about MMS? I assume NO for MMS on the second SIM.
I was considering this phone because it seems that both SIM slots support CDMA carriers. But, if you can only use one CDMA SIM, and am forced to go with GSM for the second SIM, I will reconsider the cheaper ZTE Axon 7 option.
MMS doesn't work on this phone.
When I spoke with Verizon about this, they stated it was due to the phone being "unknown" on their network, so MMS limitations are enabled as they can't identify the phone. This is because Xiaomi doesn't register devices with all carriers.
Personally, I would keep looking. SMS, calling and Data have been working fine.
I'm having trouble finding out what type of dual SIM technology the 7T uses. Is it DSFA of DSDS? Will either one allow me to take a call from two different carriers at any time? FYI I'll be using Verizon and AT&T.
OP has always 'only' DSDS. So you can only make one call with one card at the same time.
The other card is disabled during this call.
Thank you for the info. If I am currently not on a phone call, the phone being idle, are both Sims able to receive a call at anytime?
yes, of course.
RobM87 said:
I'm having trouble finding out what type of dual SIM technology the 7T uses. Is it DSFA of DSDS? Will either one allow me to take a call from two different carriers at any time? FYI I'll be using Verizon and AT&T.
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Click to collapse
Dual SIM technology? I'm on the T-Mobile variant. I'm confused.
Sent from my [device_name] using XDA-Developers Legacy app
DSDS = Dual sim, dual standby, where you have two sims from two different carriers. When one SIM is active on a call the second goes idle. DSFA = Dual sim full standby, even if one sim is active on a call the other continues to function, although I am not certain of the mechanics of how a user handles two calls at once.
These are very popular with frequent international travelers, or when someone has a company phone and a personal phone but doesn't want to carry two devices. They really haven't caught on in the US because carriers for the most part have similar coverage and don't sell them. The carriers don't want their customers to be customers of other carriers too.
Imagine living in Belgium but frequently traveling to the UK and needing to use a mobile phone in both places. The roaming fees and long distance charges would be outrageous. With a dual sim phone a user could have a Belgium sim card and a UK sim card and be able to use the appropriate sim as needed without having to place the wear and tear on the phone doing sim swaps.
I have tried to find a dual sim phone which functions well in the US. I have a dual sim S9 from the UAE market, but for some reason the data is very slow compared to a single sim S9 for the US market. I also tried a Sonim XP8 which worked well enough until the phone figured out it was in the US and disabled the second sim slot. Apparently Sonim does not want the XP8 to function as a dual sim phone in the US.
T-Mobile has disabled the second sim card slot in the 7t, for whatever reason. I have a 7t coming from direct from the manufacturer and I am excited to see how well it works as a dual sim phone. I have a line on TMO and a line on AT&T, and I don't want to carry two devices if I don't have to.
rjglenn said:
DSDS = Dual sim, dual standby, where you have two sims from two different carriers. When one SIM is active on a call the second goes idle. DSFA = Dual sim full standby, even if one sim is active on a call the other continues to function, although I am not certain of the mechanics of how a user handles two calls at once.
These are very popular with frequent international travelers, or when someone has a company phone and a personal phone but doesn't want to carry two devices. They really haven't caught on in the US because carriers for the most part have similar coverage and don't sell them. The carriers don't want their customers to be customers of other carriers too.
Imagine living in Belgium but frequently traveling to the UK and needing to use a mobile phone in both places. The roaming fees and long distance charges would be outrageous. With a dual sim phone a user could have a Belgium sim card and a UK sim card and be able to use the appropriate sim as needed without having to place the wear and tear on the phone doing sim swaps.
I have tried to find a dual sim phone which functions well in the US. I have a dual sim S9 from the UAE market, but for some reason the data is very slow compared to a single sim S9 for the US market. I also tried a Sonim XP8 which worked well enough until the phone figured out it was in the US and disabled the second sim slot. Apparently Sonim does not want the XP8 to function as a dual sim phone in the US.
T-Mobile has disabled the second sim card slot in the 7t, for whatever reason. I have a 7t coming from direct from the manufacturer and I am excited to see how well it works as a dual sim phone. I have a line on TMO and a line on AT&T, and I don't want to carry two devices if I don't have to.
Click to expand...
Click to collapse
I had no idea. So if I but a dual SIM card tray and flash the international version software on my T-Mobile variant I should be able to have dual SIM functionality?
Sent from my [device_name] using XDA-Developers Legacy app
OuncE718 said:
I had no idea. So if I but a dual SIM card tray and flash the international version software on my T-Mobile variant I should be able to have dual SIM functionality?
Sent from my [device_name] using XDA-Developers Legacy app
Click to expand...
Click to collapse
This has been done on other model phones and should be the same with this one. It was the same price point for me so I just cut TMO out of the deal. Just be careful flashing other firmware, if you are a TMO customer you wouldn't want to loose Band 71.