note 20 ultra 5g simcard isuuse - Samsung Galaxy Note 20 Ultra Questions & Answers

my phone is note 20 ultra 5g, and my phone have 2 simcard is on, Every time my contact calls me on second simcard,While they do not know my second number!And it seems that my phone mistakenly shows the second SIM card. Does anyone have such a problem?
excuseme for bad english

check in your sim card manager what sim/number is in each slot

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[Q] Weirdness in SIM2

Hey guys,
I have a new HTC E8, rooted like any respectable XDA member. I'm from India and travelling to Singapore, and there's some weirdness with my Airtel nano SIM and the SIM 2 slot. I have a local SIM with 3G in Slot 1.
For the first two days, Slot 2 would occasionally disappear, with the phone claiming there was no SIM in it. Opening and closing the tray would restore the connection. On day three, this stopped working. No amount of reinserting would get the phone to recognise the SIM.
So I swapped the SIMs and both work. Swapped them back and the Airtel doesn't work in Slot 2. The local M1 SIM has no problem in either slot, but I obviously get only 2G in Slot 2, and the whole point of a local SIM and a dual SIM phone is to get cheap data when on roaming.
Help me figure this out? Either the Airtel SIM doesn't like Slot 2 anymore (it used to work), and refuses to work on it, or the phone doesn't like the SIM, or there's simply a loose contact (but that doesn't explain why the other SIM works).

Magicsim Dual Sim Card Adapter

The Magicsim Dual Sim Card adapter may not work with the Note 4.
It seems to be because of the way the Note 4 boots up and looks for the sim card. The dual sim adapter takes a few seconds longer than a single sim to initialize and load, which seems to be too long the OS is willling to wait. With the device installed you will be prompted with a sim card detection error and an only option to restart. It's a dialog box you cannot remove or get past. It shows up a few seconds after boot. The phone will still continue to load and you will eventually see the dual sim toolkit in the apps menu (if you load it before restart prompt appears) but you still have no choice to restart. Rebooting the phone in airplane mode will allow the phone to boot all the way, but once you turn it off the same forced restart prompt appears.
I verified the adapter works by testing it on a Note 2 with Cyanogenmod and it functions perfectly.
The Note 4 is the 910C with Android 4.4.4, stock firmware, not rooted.
The packaging of the adapter suggests it is for the Note 4.
I can confirm, the Magicsim Dual Sim Card adapter works perfect with Note 4 (5.01 Lollypop)...
-=HB=-
My magicsim works only for 2 months. After that it was defect.
Yep works perfectly on my Note 4, got the one from www.magic-sim.com specifically for the Note 4, comes with a 1 year warranty i believe
On eBay, I remember, I saw there were some dual sim adapters that you could simultaneously have call/text on one and data on another... but I can't find now. Any body have seen this? All I see are Dual Standby dual sim adapters, which doesn't do for me... and I don't really like the idea of Gmate Plus.
I tried my magicsim but it only detects the first sim, whenever I try the change sim via the menu, the phone boots ...
thanx for sharing

Sim card hot plug alert on Idol Dual Sim 5.5

Hello,
Sometime two times per day I got this message: Sim card hot plug alert. In this time SIM 1 is disabled. I see that phone do not see the card. SIM car do not work. After restart everythng work well. Phone is nearly new and I have this problem all the time. It is bad because sometime I dont see this and I am not available on SIM 1. Sim card is new 4G and I had a same problem with old SIM card. Even if phone is on the table this heppend. I put tape on sim card to make better contact but is the same. No efect. Anyone know what is problem?

Mate 9 no sim even there are sim inserted

Always No SIM in my mate 9.
I tried to change sim from slot 1 to slot 2 and 2 to 1 still showing No Sim.
I restarted and factory reset and then inserted the sim still showing No Sim.
I inserted new sim still showing No Sim.
Please I need your support to resolve the issues.

Note 20 Ultra 5G mobile network disconnecting

My Note 20 Ultra 5G with Exynos processor has a problem with the 5G connection.After a few seconds with full 5G reception, the connection on both SIM cards breaks down completely (no service) and then reconnects. This happens all the time unless I switch off 5G in the settings.
I have already received a new SIM card from my provider, but this did not solve the problem. It makes no difference if 5G is activated for SIM1 or SIM2. The SIM card works fine on my Galaxy S10 5G.
I put a video on Youtube, where you can see the problem. Unfortunately I cannot post the link here.
The ID for the YouTube video: 6cv-8es7o74
Does anyone else have the same problem?
I'm having the same issue, couldn't figure how to fix it yet. I'm on a N986B.

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