I got this rather strange problem/issue with my G5. The 2nd SIM Slot it seems is not that consistent when it comes to network signal. I started noticing this when I put it my Roaming SIM on the 2nd slot, and there are times that it will randomly lose/gain signal strength and the network will totally disconnect. Then I have to again manually configure the network settings. That's when I decided to swap the sims I'm using. The Roaming sim works flawlessly on the 1st slot, while the local sim on the 2nd slot does the same, but so far haven't disconnected from the network, or at least once I noticed it totally lost signal for a second before going back to normal.
Is this normal for the Moto G5? This is something I can't argue with the store from where I got it from since the SIM is accepted and read by the 2nd SIM Tray.
The Moto G5 with Motorola firmware is currently being mis-sold, it is not really dual-SIM as you expect, the second SIM is more an internal storage location - you can switch to it but not use both properly at the same time. When connected with 4g to the first SIM the second is set to the obsolete and not available in many areas 2g. I have found that disabling the first sim is not good enough to allow the second to use 4g, you also have to set the second sim as the primary data SIM. The Moto app suggests you can choose which SIM for data or individual calls, guess it might work if your second SIM network is 2g only?According to report from Australia Motorola are aware of the issue and are looking into it - no 2g signal at all in areas over there. Elsewhere you may have patchy 2g signal and see the old data connections E or H popping up. Apparently older Moto G4 etc can use 3g at same time in second slot, not sure if the G5 issue is fixable by firmware or is some crazy hardware design fault. Don't hold your breath waiting for updates - Android 7.0 with January security update is latest here - while phone still under warranty!
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Hey guys!
So, I can clearly see this "Your SIM card does not allow a connection to this network" problem is quite common around here, so here we go.
After one year of normal use, I got my problem one day ago, no connection whatsoever since then.
Tried shutting it down, removing the battery and switching back on after 20 minutes.
Tried my sim card in another phone - Works fine.
Tried another sim card, from the same operator, in my phone - Works fine (WTF)
I then called my operator (it's a Brazilian operator so no matter mentioning it now) and of course, no solution. Payment is fine, everything normal.
So I wen't to my operator store and replaced the sim and... Still doesn't work!
I then borrowed a sim from another operator and... Nothing! No signal!
And just now, I realized that, when I change to "GSM Only" it works! The thing is I have an unlimited 3G plan, and use it a lot, this is not a solution for me.
I've always used my phone on "WCDMA Only" or "WCDMA Preffered", but when I switch to those, or to anything other than "GSM Only", it dies, no signal, even with GSM Auto...
I tried hard resetting, nothing helps here... I have no idea what to do next.
When on WCDMA Only:
Signal Strength: -71 dBm 21 asu
GSM Service: Emergency calls only
GPRS Service: Disconnected
Network Type : unknown
I bought the Phone brand new on eBay (or rather a brazilian version called Mercado Livre) and it's clearly from the UK (i can see from its plugs) but it's unbranded and unrooted, but unlocked.
Also. I heard this may happen with stolen phones, blacklisted IMEI's... How can I figure this out? And how does that explain the fact it works under GSM only?
Just searched my IMEI on different databases, doesn't seem to be stolen.
This is swelling my brain to the point I think it's gonna blow.
My Phone Sim Card (TIM Network) - Works on any phone, and works in my tablet, but not on my DHD.
My Tablet Sim Card (VIVO Network) - Works on my phone, and work on my tablet.
My friend's Sim Card (TIM Network) - Works on his and my phone fine.
So my DHD will work with ANY but my sim (which was replaced for a brand new today, with the same line)
And my sim will work with ANY device but my phone.
Oh my head....
Turn Aeroplane mode on, then off continuously until you get a 3G signal. If you still don't get connected, take your battery out, wait 15 minutes, put battery back in and it should connect.
If neither work then I know of nothing more you can do.
Sent from my Desire HD using xda premium
If other SIM card works fine and only have issue on 3g, then it must be an operator side error. Go in a TIM store and prove with different SIM cards, and Phone. They have to do someting.
hi all,
stock 551ML no root, the calls running on SIM1 (4G) gets disconnected after 5/10 minutes. i suddenly see the radio bars disappearing, i can't hear anymore the called party, and then the call drops. Tried with 2 different carriers on SIM1. The phone is always enabled with 2 SIM's, but on the second one (whatever the carrier is) there's no such problem. I think this phone has large issues when dealing with 2G/3G/4G swap, signal quality on SIM1 is terrible (tested in comparison with wife's iphone6+ with same carrier same location) and often i lose signal on SIM1. Definitely not a work phone in this way. any idea? can a full reset improve the situation?
Please ensure firmware is updated to latest version. Next please try performing a hardware reset including cache wipe partition. http://www.asus.com/us/support/FAQ/1011956/
If the problem continues then it may be a hardware issue with the SIM slot and will require RMA service.
Sincerely
ASUS_USA
[email protected]
after few weeks i can say more about this issue, on SIM1 the 4G slot. (stock phone updated and wiped completely)
1) carrier signal reception has now slightly improved with .59 and .63 update
2) problems on switching from 4G to 3G still there, when 4G signal is poor the phone is not able to detect it, and tries and tries and tries sending data to nowhere. after a minute or so, switch to 3G happens and i got network connectivity again
3) comparison with iphone6+, samsungS5 and sonyZ3 (same network, same location) is still terrible, while i got no network, iphone does and loads the pages, slowly but it loads the full page. i think here is the price difference between the two -> antenna, radio, optimized software for any signal condition
4) under bad (bad from a 551ML point of view) signal conditions the battery drains a lot more faster, and that's fine but at least i would like to use the phone, to receive calls, messages, whatsapp and so on.
5) during a call on SIM1, it still happens that signal disappear and i the call is dropped, less frequently than i had before .59 update, but still happens.
6) i'm calling using SIM2 BTW, SIM2 on 2G has no issues.
i will be soon able to compare with honor7 (it should have a very good optimization on the radio part) and let you know.
bye
I am on AT&T in the US and having a similar problem and hoping someone can help except for me it is SIM 2 that is the problem and for me it is at home. Last night I was on a call that kept dropping, and it was not a good thing at all and I had to end the call. I pretty much cannot sustain SIM 2 calls in my house but SIM 2 elsewhere is okay; calls on SIM 1 are perfectly fine and with my previous phones (Note 3, iPhone, Windows Lumia 1520) no reception problem history ever at all. So this clearly is a device issue and not an AT&T issue as I get good coverage in my house. I had two phones up until a month ago when I opted to consolidate by getting the ZF2.SIM1 is perfectly fine most of the time-I've never dropped a call although a couple times I have to say I've not heard as well for a moment as I could, so I question if my house and the Zenfone2 are a good match, although that is really a weird thing as I live in a major suburban metro area that is not a coverage problem in any way shape or form with any dead spot problems, so I am wondering if something is wrong with my hardware and I need to exchange my phone. I'm going to have to pop my SIM 1 back into my Note 3 in the interim and forward calls on my second line in the interim in the meantime if that's the case . (my windows phone takes a nano SIM) and send my ZF2 back for an exchange Should I do a hard reset? Why would my house be a problem? It's not a dead spot area or remote or anything like that. I really like this phone already got a new SIM 2 card once before when I had problems at first but it seemed to be better until I then tried to make a c all yesterday and it wouldn't work.Could my phone be defective? Hard reset?? My software is up to date.
Sent from my K010 using XDA Free mobile app
After latest updates and various test i can say that signal coverage and battery life has been improved so much. Thanks a lot asus, it's a pleasure to work with this phone now. Keep doing the same good job!
Federic0 said:
After latest updates and various test i can say that signal coverage and battery life has been improved so much. Thanks a lot asus, it's a pleasure to work with this phone now. Keep doing the same good job!
Click to expand...
Click to collapse
Glad to hear things worked out for you. My situation didn't work out. I just returned the Zenfone yesterday. I had gotten the replacement phone through ASUS, still replaced yet another SIM card, and the problem with my SIM 2 persisted and got even worse. For me, the SIM slot being 2G did turn out to be the destructive feature of the device. My area is too upgraded for it apparently. You're the only other person I've come across that has referenced SIM 2 usage to me, so I get the sense that most people are just using the ZF2 as a single SIM and don't have a second phone line or data line. Therefore I can understand people being happy overall as it's a decent device for a single SIM user. You are lucky that your SIM 2 coverage is good everywhere. Mine was good in some areas but certainly not in and around my house and there my SIM 2 was unable to sustain phone calls. I didn't care about data-I only wanted phone calls but I couldn't do calls even.I had no cellular connection and my SIM 2 would X out and drop off all the time.
I never had a problem with SIM 1. I always got calls just fine and I found that ASUS always provided updates and I noticed changes in battery life. I was pleased in every other regard but the very purpose that I bought the phone for -to be able to get calls to both my phone lines. I do think ASUS dropped the ball with the 2G slot and need to make their next model with both slots supporting LTE. They me might get me back as a customer if they do.
Sent from my K010 using XDA Free mobile app
It looks like I am not the only one who has the sim 2 signal issue. My phone has this issue from day one, the signal of sim 2 just comes and goes all the time. Software update doesn't help at all. I've also tried putting a new sim card, but still have the same problem. I think this is a hardware issue.
I got my screen replaced do to a crack in it, and during the repair, one of the antennas became severed. Right now, only the 4g antenna, as well as the 2g antenna for the second sim, is working; the 2g and 3g for the first sim are simply disconnected.
Is there any way to swap the antennas? If I could use the 2g antenna from the second sim for the first sim (and the disconnected 2g from the first sim for the second sim slot which doesn't have a sim in it anyways), I would be pretty much back in business...
I understand without root there's no options; but being that my warranty is voided anyways, I have no problem rooting. Also, I would imagine that tinkering with the AOSP dual sim support in android 5.1 may be easier, so if anyone has a way of doing it with cm, I don't care to swap roms.
Thanks...
Hello,
I just purchased an unlocked Note10+ N9750 Dual Sim in Taiwan, and I am currently located in Taiwan. The phone is on the latest SOFTWARE update from September 1st. ...ASI3.
When I put 2 Taiwanese SIM cards in the phone, the mobile internet works flawlessly and is extremely fast (About 200/50 on each network) when selecting SIM1 or SIM2 for mobile internet, with WiFi disabled. I can switch the cards and it works as expected.
The icons usually show 4G+, although it can sometimes slip into 4G for 10-20 seconds or so.
However, when putting my Tmobile SIM card into SIM1 or SIM2 along with a Taiwanese SIM card, and selecting the Taiwanese SIM card for mobile DATA (The goal here is to use the Taiwanese SIM card for data when in Taiwan), the mobile data is extremely slow (Around 2/0.5).
Furthermore, most of the time, when trying to access the internet, it appears that the phone is trying to connect for the first 5-10 seconds before actually bringing back internet data.
This can be with an app, like Whatsapp, or a simple Google search, or a speed test.
The icons will show 4G+ or 4G, not sure there is a pattern here.
I have tried everything I could think of with roaming ON/OFF, moving the SIM cards around, etc.
APN for Tmobile is correct and setup for IPV4/6 for normal, and IPV4 for roaming.
Again, if I simply replace the Tmobile SIM card with another Taiwanese provider (2 Taiwanese SIM cards installed), the internet is super fast and instantaneous on either SIM card.
The Tmobile SIM is working as expected in a Note9 TMobile Single SIM.
Not sure if anybody has some insight on what may be going on here...
Coming from a Note9 and the Tmobile SIM is less than 1 year old if I recall.
Thank you.
I forgot to mention that if I go into the SIM DEVICE MANAGER with both a Taiwanese SIM card and the TMOBILE SIM card installed and disable the TMOBILE SIM, the internet works fast as expected on the Taiwanese SIM.
As soon as I re-enable the TMOBILE SIM card, the internet is slow again and takes 5-10 seconds before bringing data back from a Google search, etc...
That's because if you are overseas with T-Mobile it caps data speeds I believe at 256kpbs.
I'm guessing the order of the Sim somehow maybe coming into play . Also generally second sim position will give you Lower speeds
Hello Joogle,
I should have mentioned that I have the 15GB pass from Tmobile, so 4G speeds while roaming up to 15GB. The speed when on the Tmobile card is very fast, 50/10 or so.
This is not the issue I believe.
Does 2nd position really give slower speeds? I did not know that.
Interestingly, I am in China at the moment and put a Hong Kong SIM card in slot #2 with my TMOBILE SIM in slot#1. Selected sim#2 for data, and everything works great and is always fast.
Not sure what to make out of that.
Preferred Network is set to: LET/TD-SCDMA/UMTS.
A bit confused by all the options of 4G SWITCHER.
Well, I found out that if I put my TMOBILE SIM in 3G/2G mode only, and leave the Taiwan SIM card at 4G/3G/2G, everything works great and fast with no delay...
This is fine since 3G is good enough for phone calls and text messages.
I have my Vodafone esim in my 6pro and the signal is fine on that no problems at all 4/5g pickup is good etc.
But my physical 02 work SIM (not on a 5g plan) - the signal sometimes disappears to the point it says no service and won't come back until I eventually reboot.
Any one else with this issue? Happens even in decent signal areas where I am used to using 02 a lot. And indeed post reboot the signal is good. Never has issues with the same combination of esim/physical SIM on my P5.
My Vodafone esim doesn't have this problem seemingly.
It could be a dodgy connection or the SIM was damaged on moving from one device to another? If it stops responding or crashes (SIM cards have a little CPU and operating system in them) then the phone will drop the mobile connection.
I think all you can do is try cleaning the contacts with something (Isopropyl is a good thing to use) and seeing if that improves things, otherwise try a new SIM.
PhilipL2021 said:
It could be a dodgy connection or the SIM was damaged on moving from one device to another? If it stops responding or crashes (SIM cards have a little CPU and operating system in them) then the phone will drop the mobile connection.
I think all you can do is try cleaning the contacts with something (Isopropyl is a good thing to use) and seeing if that improves things, otherwise try a new SIM.
Click to expand...
Click to collapse
I'll try getting a new SIM. It hasn't happened on my previous phone with same SIM. But as you say might have damaged SIM during swap.
It's weird it does work for a bit though. But seemingly if I lose signal it doesn't reconnect.
My voda esim behaves as you'd expect.
Someone I know on giff gaf (also 02 network) is having exactly the same issue. Wonder if it's a network thing....
Hope my phone's not knackard