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OnePlus 7 pro 5G dual SIM, but not active?

Hey all, as from today I'm a OnePlus 7 pro 5G owner... With a bit of a downfall.
Before I bought the phone I made a bit of research about this device to see capabilities and if it's worth the money.
As I know this device is dual SIM from factory and I was expecting my op7pro 5g to be the same... and it is in a way, but has no functionality of dual SIM phone.
When I've pulled the SIM tray out I could see inside the phone on both sides of SIM tray has SIM pins to make contact to the SIM, so I've made one of the SIMs to fit in the tray because is not a dual SIM one, but you can adjust the SIM card to fit there.. and I know it's not the SIM faulty because I've tried it on and works.
Any idea how to make it work dual SIM... I have to specify it's on a contract from EE UK.
Please give me some ideas, I know to all the stuff with ADB so I'm not afraid to use it ?.

If the phone came from EE instead of OnePlus directly, then it might be subsidized (payments) through the carrier. If it is not unlocked (cannot unlock the bootloader), then you probably won't be able to fix it.
Here in the States (USA), TMobiles OP7 Pro is locked and the second sim disabled. But you can fix that by unlocking the phone and flashing the International Rom to unlock the second sim slot (second slot is software locked, not hardware locked), allowing dual SIM if you can get your hands on another sim tray with the dual slots.
Don't know if this is the same for you, but it is worth looking into if your carrier does lock the phones down and allows them to be unlocked.

It's not dual SIM as it's a limitation of the 5g modem

The 7 Pro 5G IS dual SIM capable. It has 2 modems. The Qualcomm X50 5G modem and the modem built into the SOC for 4G. It's the firmware that's restricting dual SIM functionality. If you wish, you can convert to the international variant but you WILL lose 5G connectivity (if you have it).
Sent from my [device_name] using XDA-Developers Legacy app

Can anyone please tell me if the oneplus7 pro and oneplus 7 t share the same type of sim tray, I want a duel sim tray.

gigawatt said:
Can anyone please tell me if the oneplus7 pro and oneplus 7 t share the same type of sim tray, I want a duel sim tray.
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yes I own the Oneplus 7 Pro and that sim tray is the exact same one that goes into the OP7T Pro Mclaren.
I have t-mobile and i bought my sim card slots from amazon for both the OP 6T and OP 7 Pro. I was able to successfully convert each of those phones using msmtool. But the damn OP7T Pro Mclaren 5G from t-mobile I can't find a solution.
I have the Oneplus 7t Pro Mclaren 5G Edition and all I want is to activate dual sim. At this point I don't even care if 5G works. I would sacrifice it if there was some way to install OP7T Pro onto the OP7T PRo Mclaren.

speedyjay said:
The 7 Pro 5G IS dual SIM capable. It has 2 modems. The Qualcomm X50 5G modem and the modem built into the SOC for 4G. It's the firmware that's restricting dual SIM functionality. If you wish, you can convert to the international variant but you WILL lose 5G connectivity (if you have it).
Sent from my [device_name] using XDA-Developers Legacy app
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I own the Oneplus 7T Pro Mclaren 5G. Is there a way to use Oneplus 7T PRo software to enable dual sim. I am willing to sacrifice 5G
{Mod edit}

Hi, could you please share msm for me so I could get things working? Thanks

gigawatt said:
Hi, could you please share msm for me so I could get things working? Thanks
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sure, which phone? the 6T or 7 Pro?

Can I confirm that you tried using a OP7Pro international firmware via MSMTool on your OP7PRO5G? Did you ever fix the issue?
I'm just trying to workout if using a OP7Pro international firmware makes it work as a dual 4g sim (I really dont care about the 5G)
FyI I have a OP7PRO5G(EU)
I tried to use msmtool to make it a op7pro international (was a fail or I wasn't doing something right....I get "Param pre-processing") Can someone please advise me.

speedyjay said:
The 7 Pro 5G IS dual SIM capable. It has 2 modems. The Qualcomm X50 5G modem and the modem built into the SOC for 4G. It's the firmware that's restricting dual SIM functionality. If you wish, you can convert to the international variant but you WILL lose 5G connectivity (if you have it).
Sent from my [device_name] using XDA-Developers Legacy app
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Hello how i Can do'it?

Note 10 Plus & Dual Sim

Hi all,
I purchased a note 10 plus and realised its only single sim, all the info on the net describes it having dual sim. Is there a way to convert it to dual sim?
I dont like my chances, I have a dual sim note 9 and it has 2 IME numbers, this one only has one so I'm stuffed right?
Thanks

You are right. Can't be done.

Is it true when you enable 5G you lose dual sim functionality?

I just heard it from one of the reviewers and I needed to confirm it from one of the experts here

isaacmajdi said:
I just heard it from one of the reviewers and I needed to confirm it from one of the experts here
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Nope..you can just have 5g on one sim card available. Second sim can be still used for phone calls etc..
Hint: i am no expert...but common sense should apply

Yes 5g will disable other sim.Just tested

sakibm47 said:
Yes 5g will disable other sim.Just tested
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so you say when 5g is enabled, phone is only single sim? I thought one 4G + one 5G. Could you please try if SIM2 can work with 5G? or 5G has to be SIM1?

ozkaya said:
so you say when 5g is enabled, phone is only single sim? I thought one 4G + one 5G. Could you please try if SIM2 can work with 5G? or 5G has to be SIM1?
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When 5g is enabled, phone is only single sim and sim1or2 doesn't really matter.

Yes poco said that when you use 5G phone will be single sim till they will give update that will make 1 sim 5G and other will be 4G

You just have to read the user guide.........
About Dual SIM:
• Supports Dual SIM cards with no carrier restrictions, single 5G or dual 4G
connectivity ①
• Supports Dual Nano-SIM card slots, either card can be set as the primary
card
• Supports single SIM 5G/4G+/4G/3G/2G
• Supports Dual SIM 4G+/4G/3G/2G
• Supports Dual SIM VoLTE HD calling ②
Note ①: 5G support depends on the local telecom operator’s network; if
the primary card 5G is enabled, the secondary card will not be available;
subsequent software upgrades will include support for primary 5G and
secondary 4G/3G/2G card mode function in dual-card situations.
Note ②: VoLTE service availability depends on the local telecom operator’s
network and service deployment
Not so complicate....

So according to the user manual dual sim support while 5g enabled is coming with a future update? the phone is five months old, did the promised update come through yet? are all other ROMs available for this device have the same issue?

The promised update is yet to come .

isaacmajdi said:
So according to the user manual dual sim support while 5g enabled is coming with a future update? the phone is five months old, did the promised update come through yet? are all other ROMs available for this device have the same issue?
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The phone was launched 5 months ago but probably due to the pandemic there is surprisingly little development and discussion from the community's side. Barely 4 roms.
I have been waiting 2 months now to upgrade because there is no way I ever use MIUI.
Last week LineageOS was released, but it's Android 10, and only initial build.
I will probably wait or lineageOS 18 before I buy this phone, but this means waiting few months the way things are going.

Dont forget that very few people use dual sim on their phone... Not a priority to fix ;o)

Mastakony said:
Dont forget that very few people use dual sim on their phone... Not a priority to fix ;o)
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I would say there are more dual sim users than 5G users, maybe that's it.

huawei P40 pro dual sim has only one sim slot

Hi, im currently in south africa, i have a Huawei p40 pro ELS-NX9. this is a dual sim version, however, i only have one nano sim slot, and the other sim is an eSim. my network provider usually takes the dual sim feature away. Is there any way i can enable sim slot 2, as we in south africa do not have eSim capabilities.

baidoo_s said:
Hi, im currently in south africa, i have a Huawei p40 pro ELS-NX9. this is a dual sim version, however, i only have one nano sim slot, and the other sim is an eSim. my network provider usually takes the dual sim feature away. Is there any way i can enable sim slot 2, as we in south africa do not have eSim capabilities.
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It seems to be an hybrid SIM device with only one physical (nano) SIM slot and an eSIM. Dual SIM feature is only possible by using one eSIM AFAIK

Can you please confirm that I can use eSIM and physical SIM at the same time on the P40 Pro making it a dual standby phone? Thanks.

if you look closely, the second sim, gets behind the first ... apart you have option to esim

[Request] For Enabling dual sim functionality on T-Mobile op8

So as we know we don't have dual sim functionality on T-Mobile op8 variant even after converting it to global . It detects second sim but with no signal.
even I have changed second sim imei but same result no signal.
I have tried to edit build.prop but no progress.
So I'm requesting developers to look into it please .
Even other variants can be converted to dual sim after global rom installation but not on op8.
Does anyone know how oneus or T-Mobile have blocked signal on second sim.

Присоединяюсь запрашивать и просить oneplus решить проблему на oneplus 8 tmobile dual sim
Google Translation:
I join to request and ask oneplus to solve the problem on oneplus 8 tmobile dual sim
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I also like to know and want the second sim has signal.Hope someone who can figure out this issue.Much appreciate it.

also requeting for this...