Question regarding dual-SIM models - OnePlus 7 Pro Questions & Answers

I'm strongly considering buying a OnePlus 7 Pro (GM1917) but had a question that I can't find a definitive answer for. My wife has a dual-SIM HTC U11 and the second SIM slot also doubles as an external SD card slot. Does the dual-SIM 7 Pro function the same way? If not, can that be changed with a custom ROM or other modification?

No it is not a hybrid slot.

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[Completed] Requesting aid in finding a phone

Are there any phones that will allow me to plug in 2 micro SD cards? The Saygus V2 was supposed to, but that was vaporware. The s8 is rumored to do so, but there is little credence to it. Are there perhaps any phones with 1x dedicated micro SD slot, 1x dedicated SIM slot, and 1x hybrid slot that can serve as a second of either? I have heard of dual Sim phones with dedicated micro SD slots. Do any of them have a hybrid slot for the second SIM? I'd like a phone that can host 2x 256gb micro SDs. Any advice or info would be greatly appreciated.
I'm currently using a Note 4 with an adapter for full size SD cards and a 512gb sd. It's dying though. Ideally I'd like to find a set up that will net me the same capacity but without fussing with the adapter.
XDA Visitor said:
Are there any phones that will allow me to plug in 2 micro SD cards? The Saygus V2 was supposed to, but that was vaporware. The s8 is rumored to do so, but there is little credence to it. Are there perhaps any phones with 1x dedicated micro SD slot, 1x dedicated SIM slot, and 1x hybrid slot that can serve as a second of either? I have heard of dual Sim phones with dedicated micro SD slots. Do any of them have a hybrid slot for the second SIM? I'd like a phone that can host 2x 256gb micro SDs. Any advice or info would be greatly appreciated.
I'm currently using a Note 4 with an adapter for full size SD cards and a 512gb sd. It's dying though. Ideally I'd like to find a set up that will net me the same capacity but without fussing with the adapter.
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Greetings and welcome to assist. I have seen some dual sim chinese phones that have a dedicated sd card slot as well and most dual sim phones can use the second sim slot as a sdcard but I don't know of any that will defintely do it
Regards
Sawdoctor

microSD on 2nd nano SIM Slot?

Hi all,
Do you think it will be possible to use the 2nd SIM slot to access a microSD card?
I know it's possible on some smartphone like huawei...
Thanks for answer.
NicoS.
No sadly the 2s only supports dual slim, no micro SD card. However 128gb or even 64gb are enough space for most people

Single sim tray from OnePlus?

I ordered my 7 Pro (GM 1917) directly from OnePlus website. Nebula blue 12 - 256 version. When I installed my Verizon sim card, the tray only had one slot? My 6T has dual slots and my 7 Pro software indicates the dual sim options. I'm confused. Do others that purchased the non-T-mobile 7 Pro have a dual or only a single sim tray???
phil1737 said:
I ordered my 7 Pro (GM 1917) directly from OnePlus website. Nebula blue 12 - 256 version. When I installed my Verizon sim card, the tray only had one slot? My 6T has dual slots and my 7 Pro software indicates the dual sim options. I'm confused. Do others that purchased the non-T-mobile 7 Pro have a dual or only a single sim tray???
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I believe the T-Mobile variant comes with a single sim tray your version should have the dual SIM card
phil1737 said:
I ordered my 7 Pro (GM 1917) directly from OnePlus website. Nebula blue 12 - 256 version. When I installed my Verizon sim card, the tray only had one slot? My 6T has dual slots and my 7 Pro software indicates the dual sim options. I'm confused. Do others that purchased the non-T-mobile 7 Pro have a dual or only a single sim tray???
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Click to collapse
The other sim slot is on the back side of the tray. It does not have two side by side like before. They are front and back.
phil1737 said:
I ordered my 7 Pro (GM 1917) directly from OnePlus website. Nebula blue 12 - 256 version. When I installed my Verizon sim card, the tray only had one slot? My 6T has dual slots and my 7 Pro software indicates the dual sim options. I'm confused. Do others that purchased the non-T-mobile 7 Pro have a dual or only a single sim tray???
Click to expand...
Click to collapse
One directly from OP is dual sim and the other sim goes on the other side of the tray. I was confused for a few seconds at first but figured it out. Dual sided tray vs a bigger tray that holds 2 sims on the same axis.
Check this video showing new sim tray from 2:08 forwards.
https://youtu.be/cMJjUZYnxPE
Sent from my GM1913 using Tapatalk
RabbleCake said:
One directly from OP is dual sim and the other sim goes on the other side of the tray. I was confused for a few seconds at first but figured it out. Dual sided tray vs a bigger tray that holds 2 sims on the same axis.
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DOH! thanks so much! I guess I was so excited to get my sim card in and get up n running I didn't really pay much attention to the design of the tray.

Huawei Mate 9 Motherboard replacement

Hi,
I have a damaged Huawei Mate 9 64GB Dual SIM (MHA-L29). The phone needs to replace motherboard, which is not easy to find.
I have two questions:
1- Is it possible to use motherboard of Mate 9 Pro (LON-L29C) instead of (MHA-L29)? Probably not possible!
2- Is it possible to use motherboard of Mate 9 Single sim Card (MHA-L09) instead of Dual sim card (MHA-L29)?
Thanks in advance
To answer those questions:
1) My thought would be no, based on if the motherboard layouts are different. Maybe check out a few teardown views of both models to see.
2) I dont think the single sim version would work because the SIM tray for the Dual version is longer, so when you swap the board, it wont have enough space to fit the dual slots.
Wewe975 said:
2- Is it possible to use motherboard of Mate 9 Single sim Card (MHA-L09) instead of Dual sim card (MHA-L29)?
Click to expand...
Click to collapse
Option 2 should work, actually I remember that I read here about people rebranding (by changing the firmware and SIM tray only) single SIM Mate 9 to dual SIM Mate 9 - therefore, differences are only in firmware and SIM tray
Search on the net and here on XDA and you will find more reports and discussions like this:
https://forum.xda-developers.com/mate-9/help/mate-9-single-sim-to-dual-sim-t3596158
It was also possible to rebrand single SIM to dual SIM for some other Huawei models, like P9 Lite (but not P9) and I think P10 (used to be long ago when those phones were hot, when unlocking Bootloaders were easy and I was actively monitoring the threads here about)
cash2387 said:
2) I dont think the single sim version would work because the SIM tray for the Dual version is longer, so when you swap the board, it wont have enough space to fit the dual slots.
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Outer dimensions of single and dual SIM trays are the same, they only differ by the internal cut-off of the first slot (on the single tray it can accommodate only SD card, on the dual tray it can accommodate either SD card or nano SIM)
Longevity of that first slot depends on the longevity of SD card. Nano sim is smaller and it goes turned by 90 degrees (parallel to the nano SIM in the second, SIM only slot). Hence there is no need for that combo slot (and the whole tray) to be longer - just the hole in that first, combo slot has different shape to let also the nano SIM to settle in)
You can search on e.g. eBay, Amazon or Alibaba for the spare parts, SIM trays and compare their shape and size (and compatibility notes - e g. some dual SIM trays are denoted as fitting also to the single SIM Mate 9 models)
zgfg said:
Option 2 should work, actually I remember that I read here about people rebranding (by changing the firmware and SIM tray only) single SIM Mate 9 to dual SIM Mate 9 - therefore, differences are only in firmware and SIM tray
Search on the net and here on XDA and you will find more reports and discussions like this:
https://forum.xda-developers.com/mate-9/help/mate-9-single-sim-to-dual-sim-t3596158
It was also possible to rebrand single SIM to dual SIM for some other Huawei models, like P9 Lite (but not P9) and I think P10 (used to be long ago when those phones were hot, when unlocking Bootloaders were easy and I was actively monitoring the threads here about)
Outer dimensions of single and dual SIM trays are the same, they only differ by the internal cut-off of the first slot (on the single tray it can accommodate only SD card, on the dual tray it can accommodate either SD card or nano SIM)
Longevity of that first slot depends on the longevity of SD card. Nano sim is smaller and it goes turned by 90 degrees (parallel to the nano SIM in the second, SIM only slot). Hence there is no need for that combo slot (and the whole tray) to be longer - just the hole in that first, combo slot has different shape to let also the nano SIM to settle in)
You can search on e.g. eBay, Amazon or Alibaba for the spare parts, SIM trays and compare their shape and size (and compatibility notes - e g. some dual SIM trays are denoted as fitting also to the single SIM Mate 9 models)
Click to expand...
Click to collapse
Thank you for the guidance this is really helpful.
I didn't think option 1 would work, my concern with option 2 was the sim card tray size, your explanation about outer dimensions and internal design of the sim tray is exactly what I was looking for.
I checked on Aliexpress and ebay for sim tray spare parts, and I was surprsed that everybody is using the dual sim tray instead of the single tray! It is making sense as it can work for both not vise versa.
I will buy the MHA-L09 motherboard and go ahead, I don't really mind using one sim, I just need to turn life to the dead phone.
Thanks for your help.

realme x50 pro 5G - Dual Sim

Hi All,
i've just taken delivery of my Realme X50 Pro phone and cant figure out the 2nd sim,
i have searched online and see plenty mentioned about dual sim capability, but i'm pretty certain this doesnt have the 2nd sim slot, it has bars across where the 2nd sim would go.
i bought it from laptops direct and it didnt mention whether it was single or dual sim, i assumed it was dual sim as all information online pointed to them being dual sim, i have the 12gb 256gb hdd option.
do you know if it is possible to add dual sim functionality similar to that of the old Huwawei p10 plus?
unfortunately because i have opened the packaging i cannot return the phone.
i have the same prplm

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