Dual Sim vs Mono Sim + Root and warranty - Huawei P20 Pro Questions & Answers

Hello guys,
I have a couple of question about the P20 Pro:
There is a wide price difference between brand and no brand phones. Does the difference only result in the dual sim feature of the no brand models?
If flashing a stock rom on a branded (mono sim) model, will the dual sim feature be enabled? Or is it bound to mono sim by hw differences?
About root, does it corrupt warranty as Samsung does? Is there a method to turn back to factory standards without making it noticeable in case (like old samsung)?
Thanks

Related

Note 8 Question - Snap or Exynos?

Hi there,
This might be done to death but here goes - i currently have a single sim Three (unlocked) that has the exynos chipset, since i go over to the states alot, i want to get myself a dual sim Note 8 so i can use an American number with my UK number without having to annoyingly keep switching over or have 2 different phones.
Obviously dual sim means no microSD, so far i only seen Eqynos variant 64gb but elsewhere seen a Snapdragon variant 128gb which is tons more useful, in real life usage (especially coming from a S7 Edge) will i see much of a difference? Has Snapdragon caught up nowdays?
Also how easy isit without tripping anything that will disable Samsung/Android Pay to flash Carrier (Three) onto my unbranded Note 8? Mainly if i get rid of Three Note 8 phone, i lose access to 4G Super Voice which kinda sucks.
Thanks for the help
Obviously dual sim means no microSD,
Not obviously, you can DIY your SD card, just combine your SIM and SD to one, please do search, it's working well.
Thanks.
I was in the same dilema as uk samsung only sell the 64gb dual sim. Went and bought the 256gb sn9500.... no problems at all. Even using samsung pay without issue.
It is dumb that they won't allow more Ryan 64gb for uk market.
Also using the dual sim and sd card.... is probably a bit risky as the sim tray is so flimsy.
I used dual sim and sd on my axon 7 without issue... but the note 8 i think will be a bit risky.
Sent from my SM-N9500 using Tapatalk

Australian Telco note 9 dual SIM functionality

Hi all,
I've signed up for a note 9 plan since my new job allows allowance for work mobile. However the sim tray is not hybrid at all(the second sim slot can only for micro sd card) . I've managed to cut the SIM so that it fits into the second slot, however unable to get this to work.
The SIM works fine if it's plugged into sim 1 slot. Has anyone got any solutions to this? Any input would be appreciated
uggies said:
Hi all,
I've signed up for a note 9 plan since my new job allows allowance for work mobile. However the sim tray is not hybrid at all(the second sim slot can only for micro sd card) . I've managed to cut the SIM so that it fits into the second slot, however unable to get this to work.
The SIM works fine if it's plugged into sim 1 slot. Has anyone got any solutions to this? Any input would be appreciated
Click to expand...
Click to collapse
Sounds like you device is of the single-SIM variety.
Even if you bought a dual-SIM Tray to use,it will be of no benefit,you have a single-SIM phone.
Flashing firmware that works on known dual SIM phones will not do it either,many have tried various things,the functionality simply isn't there (presumably a hardware issue,it's simply not there).
FWIW,I tried a dual-SIM Tray on my US (T-Mobile Note 9),& nada. I knew what to expect going in,but,had to quash the slight bit of false hope.
The Exynos single SIM Note 9's are the same.
KOLIOSIS said:
Sounds like you device is of the single-SIM variety.
Even if you bought a dual-SIM Tray to use,it will be of no benefit,you have a single-SIM phone.
Flashing firmware that works on known dual SIM phones will not do it either,many have tried various things,the functionality simply isn't there (presumably a hardware issue,it's simply not there).
FWIW,I tried a dual-SIM Tray on my US (T-Mobile Note 9),& nada. I knew what to expect going in,but,had to quash the slight bit of false hope.
The Exynos single SIM Note 9's are the same.
Click to expand...
Click to collapse
That's quite disappointing, it was one of the reasons why I got Samsung phone after all..
All of Samsung's Webpage indicates that all note 9s are capable of dual SIM functionality. I guess I should have double checked with Telco to see if they have locked the Dual SIM functionality..
Appreciate your input tho man. Cheers
uggies said:
That's quite disappointing, it was one of the reasons why I got Samsung phone after all..
All of Samsung's Webpage indicates that all note 9s are capable of dual SIM functionality....
Click to expand...
Click to collapse
I've never seen anything stating all Note 9's are capable of Dual-SIM functionality, but, I'm in the US, where Dual-SIM phones are the exception vs the single SIM variety.
The only phone that I'm aware of that has Dual-SIM capabilities, but, ships with both Single-Sim and Dual-SIM firmwares is the OnePlus 6T.
You could try a Dual-SIM tray & flashing a SIM-Free firmware that's known to work on Dual-SIM phones to find out with certainty.
The trays are cheap enough, I got mine from eBay for less than $10 USD.
I hope I'm proven wrong, but honesty, I'd keep my expectations low.
Please keep us posted on your outcome.

Looking to buy an S10, single SIM or dual SIM?

I'm thinking of buying an S10 plus from CEX here in the UK, I've noticed their dual SIM models are £10 cheaper than the single SIM model, I'm wondering why? It seems odd you're paying less for potentially more functionality, I'm wondering if I'm missing something obvious here haha. I take it most ROMs will work fine with the DS variant?

Question physical dual sim

i have s21 ultra Australian version it will not recognize sim 2 slot i bought a dual sim tray is there a way make the phone recognize it or is the hardware different in European versions
please advise thanks

Samsung S20 FE 5G Canada version - Single Sim. Is it possible to make it Dual Sim?

So, I was gifted a brand new Samsung S20 FE 5G - unlocked but they did not know I still need my old sim to run some banking apps (so - need two sims running). The model number of the phone is SM-G781W which is a single sim model for Canada.
One of my network providers has e-Sim support. So, is it possible to flash the dual network firmware on this S20 FE?
Any comments?
Edit:
The sim tray has some 'ridges' in so as to not allow placing a second sim. May be a simple sim tray swap might work?
try looking on eBay for a sim tray. maybe you can flash unlocked US firmware, but don't get your hopes too high.
have Canadian firmware ready if needed.
3mel said:
try looking on eBay for a sim tray. maybe you can flash unlocked US firmware, but don't get your hopes too high.
have Canadian firmware ready if needed.
Click to expand...
Click to collapse
What if I try the global dual sim version's firmware?
Edit: Thanks for the reply by the way! Appreciate it.
I would try U or U1 firmware (can't remember which is the unlocked one) over the international versions. the B firmware is more likely to have frequency differences.
Any luck with this project? I assume it would be possible, I peered into the SIM/SD slot and think I saw the hardware for the the second SIM above the SD hardware.
Also interested to know if this worked?
I also have the SM-G981W Canadian Variant. I just bought it yesterday, knowing that it had a faulty SIM reader slot that can only be replaced by taking apart the phone and resoldering. My newest phone prior to this one is a Galaxy S8, so I didn't know a lot about eSIM and had assumed I could just use eSIM and assumed very, very wrong.
I'm also wondering if I can flash international firmware to enable eSIM (I have no SIM card manager).
eljoantonyn said:
So, I was gifted a brand new Samsung S20 FE 5G - unlocked but they did not know I still need my old sim to run some banking apps (so - need two sims running). The model number of the phone is SM-G781W which is a single sim model for Canada.
One of my network providers has e-Sim support. So, is it possible to flash the dual network firmware on this S20 FE?
Any comments?
Edit:
The sim tray has some 'ridges' in so as to not allow placing a second sim. May be a simple sim tray swap might work?I
Click to expand...
Click to collapse
I don`t think You need other firmware. If the software detects esim it will just start to appear.

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