I recently bough a Redmi Note 12 4G from a carrier here in Colombia. The phone works pretty well but in this two last days has come to my attention a possible bug with the 2.4Ghz band. I use a pair of Vivo wireless earpods. but whenever i have the bluetooth activated, the WiFi signal seems to be obstructed or completely deactivated. When enter the WiFi list there is no a single network to choose, and what I have to do? deactivate Bluetooth and activate airplane mode, then deactivate the airplane mode and reactivate the wifi. Then the networks appears and i can connect to Wifi.
Im running MIUI 14.0.7 Global
I have the 4GB ram model with 3GB extra using the internal storage. I checked for 2.4ghz band interference but it happens anywhere i go, on my office or my house. Also try rebooting the phone multiple times but this problem is present. It not happens always btw, in this momento the phone is working well with both activated, but in the day it happens may be 4 o 5 times.
I have not touched the firmware of the phone, neither installed a rom or flash anything, its brand new and from factory.
I'm thinking of returning it if this problem continues.
Maybe you guys have an idea of what can cause this.
I guess it's the problem of the Bluetooth™ Standard because they share similar frequencies.
The closest thing you can probably do is to get an 5GHz router, turn off Wi-Fi all together or change your AP's channel to a less-crowded one
(TP-Link advises channel 1, 6 or 11 in case of interference, it might work ..temporarily)
I've had multiple Xiaomi phones and they all had this problem, let me know if you found better solution!
Something similar happens to me, when I try to use bluetooth with a keyboard and a mouse, both types of wifi (2.4Ghz and 5Ghz) download speeds drop a lot and it becomes unusable in my case since I need a good signal to be able to use a streaming service in the cloud.
Also thinking about apply the warranty (I bought it from a local seller with a 1-month warranty) and looking for another better device and clearly not Redmi or Xiaomi.
I will leave two images demonstrating what I have mentioned:
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So i picked up a Galaxy Nexus, was brand new (almost, package was opened but never used, checked the UPtime on the battery was only mins..) anyway. im and pretty certain it wasnt hacked or anything. it was just someone trying to sell their new free phone from a contract. model number i9250m
So i brought it to my GF's house, where i have never had any wifi issues, it would show normal good bars, connect and then get the IP.. internet would work fine, then all of a sudden, nothing.. turning Wifi on/off again, would sometimes allowe it to reset, but still, nothing more than 20 seconds... when i would use it in the bathroom (router is in the landlords on the other side of the wall.) it would work fine. No other devices in the house would give any issues over wifi...
SInce it was only 4.0.2 i though i would upgrade.. so i tried the nightly build cyanogen mod rom, cm-9-20120602-NIGHTLY-maguro-signed.zip still the same issue, even at my house, nothing, unless im 2 feet from the router.. 4-10 feet and a wall, no luck at all.
after some reasearch, they said change it to 5.0 ghz from 2.4, using one or the other didnt really change anything, (i think 5.0 didnt even work) i installed wifi analiser, here is what it is showing
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with this reception, wifi only works from 4 feet. and is not that stable.. when it is connecting, it is super fast, but not consistant at all.
I have changed teh channel from 6 to 11, since wifi analizer said it was a better one..
I am using AWS (wind mobilicity) network. ANyone have any input or help?
thanks
j
i just replaced my new gnex for the very reason you stated. the phone also got very warm while charging and took grainy pictures.
so far the replacement is doing all 3 things much better.
i would suggest trying to get a replacement.
the funniest thing, i have 2 boxes (internet with built in router) and a seperate linksys, (used as a switch) i just disabled wif on the switch and everything works! that doesn really explain the problem at my g/fs house,
this was weird, because i was hacing the same issue with my Nexus S and an Ipad.. hopefully i dont have a faulty Wifi.. thanks for the help..
That's weird. You have super strong signal. I don't know why it isn't working. Haven't seen many posts about this issue.
I'm wondering if someone can explain to me why the Speedtest results are so much different on my S3 compared to my desktop. Below are the results, taken one right after the other. Same WiFi network, and I used Clean Master on my phone to stop all unnecessary tasks too. I've done the speedtest multiple times on the phone over the past few weeks, trying everything to get a different result. It doesn't change, no matter if I do the test right after I power on the phone, if other apps are running, etc. Is there some kind of limit on WiFi speed that I just don't know about?
Here is the test from my desktop:
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Here is the test from my S3:
Do you have a dual band router? What OS on the desktop? I have noticed with my new dual band router that my S3 can pick up and connect to my 5ghz, but my Win7 laptop can't see it nor connect. Also noticed when I'm streaming from the devices that can see the 5ghz, the signal indicator goes crazy. That's essentially what the speed test is, its streaming so that could be the reason. Maybe its opposite for you with those speeds. Or also could be the priority of the desktop versus the phone.
My router is a dual band Belkin n750. My S3 actually sees both separate bands in the WiFi list, but the speedtest results don't change from one band to the other.
My desktop OS is Ubuntu 12.04. There has never been an issue with the desktop speedtests, and my PC is pretty good actually. I've even made sure nothing else is interfering with the speedtests by (temporarily for the test) changing the router's wireless PW, which kicked all my other devices off the network, so no chance they're hogging bandwith. But still got pretty much the same results.
eldavar said:
My router is a dual band Belkin n750. My S3 actually sees both separate bands in the WiFi list, but the speedtest results don't change from one band to the other.
My desktop OS is Ubuntu 12.04. There has never been an issue with the desktop speedtests, and my PC is pretty good actually. I've even made sure nothing else is interfering with the speedtests by (temporarily for the test) changing the router's wireless PW, which kicked all my other devices off the network, so no chance they're hogging bandwith. But still got pretty much the same results.
Click to expand...
Click to collapse
Beyond my knowledge then. Sorry.
Well the s3 probably just can't transfer that fast and so it lags behind
Probably boils down to power. The S3 is rinning on a fairly small battery, while your desktop computer is plugged into the wall. Also, as batteries age, their output does decrease, so that could be an additional factor.
I use Google maps almost everyday.. And my GPS either won't lock or it drops all the time.. I try rebooting my phone.. I tried changing roms.. Nothing helps.. I tried TW Roms and ASOP roms.. I tried in the city and in the country.. I even tried out of state.. And I get the same issue.. Right now I'm using pacman rom.. And on NB4 baseband.. Please help
First off, switch back to TW.
Odin the stock 4.4.2 and root it. Then try an alp like TopNT.
If that doesn't work could be the internal antennae in your phone, especially if you dropped it
Thanks.. I'll try that when I get home.
Also check the link in my sig for resetting the nvram. It's been known to work for many people.
Sent from my leanKernel 3.11 powered stock 4.4.2 (NF9) SM-N900T
I even tried replacing the device.. nope its HORRIBLE in the new device as well, my Note 1 locks so quickly, note 3 is crap.
This worked for me...
I've been frustrated by this too as I use my Note 3 in my car as a navigation device; I even have a charging cradle for it. Tried all sorts of apps (including TopNT) and suggested kludges for it to no avail. I searched YouTube one day for 'Note 3 GPS' and tried this. It has dramatically improved the GPS' performance:
http://www.youtube.com/watch?v=hC8jNb38gaY
The litmus test for me was how well it worked overseas. I regularly travel internationally and was frustrated by the phone's poor performance in a place like, say, Hong Kong. It took forever to obtain an initial position lock there. Now it locks relatively quickly as long as it has a clear shot at the GPS constellation and maintains the lock well enough to be useful while walking around there. At home it finds itself almost as quickly as my other device ( a Note 8.0) or my previous phones (an international S4 or an AT&T S2 Skyrocket). It used to be a little drifty in the car even after it had a solid lock; now it doesn't display that behavior either. It's worth a try. I hope that you find this useful!
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Over the weekend, my GPS (and GLONASS, incidentally) suddenly stopped working. I opened Google Maps to find my way home, and it could not find any satellites. Over the course of the past week, I ran various apps and tests, including a new ROM, to determine that this was not a software issue: the GPS is dead.
At least, it can't receive signals. The GPS unit hasn't failed as far the software is concerned; the system happily tries to grab a signal whenever you ask it to without any errors showing up in the logcat. I'm hoping that this means that something happened to the GPS antenna and that it can be repaired/replaced. The problem is that I can't seem to find any information on where I can find the GPS antenna or how I might fix it. The only information that I've found is this image from Anandtech showing the general location:
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There's lots of information on how to repair an LG G2, but next to nothing in the G3. I'd really like to keep this phone running until the next generation of Nexus Phones are released, but I don't look forward to living without GPS for the next 4-5 months.
I've already replaced the screen on this phone (manufacturing defect that LG denied... bastards), so I'm not squeamish about opening it up, but it's also my daily driver, so I don't want to open it up more than necessary, hence the tons of research.
Any assistance would be appreciated!
- Dave
I had similar issue turned out to be my FM transmitter in my car blocking GPS, realised when a Garmin satnav also failed to lock signal.
faybarn said:
I had similar issue turned out to be my FM transmitter in my car blocking GPS, realised when a Garmin satnav also failed to lock signal.
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Click to collapse
It's definitely not an interference issue; I get 0 signal (not just weak signal), and it happens even when I'm a hundred feet from cars or buildings outdoors. That's why I'm thinking that it's possibly an issue with the antenna that can be repaired (hopefully!), but I can't find documentation on precisely where the GPS antenna is to inspect it. My fear is that the issue is that the GPS hardware itself has failed, in which case the only real solution is to get a new phone.
I notice that OP3 generally performs poorer when it comes to reception when compared against my family's other devices the OnePlus One and LG G Flex 2. They are all on the same T-Mobile family plan, and the use the same home WiFi, but the OP3 is clearly the weakest of the bunch. 4G LTE and WiFi download speeds are generally a little lower compared to the other two phones, on today's test 4G LTE upload speeds were drastically worse.
A simple side by side GPS test also showed poorer performance.
Is this typical of metal phones in general, or is something clearly at fault with the OP3?
I haven't had any real show stopping issues that would make me want to return the phone, but I've been putting this phone through its paces with Pokémon Go, and it's been a pretty annoying experience thus far..
Edit: Below is a comparison of the LG G Flex 2 and OnePlus 3 using the GPS Test app. 13/20 satellites is usually as high as I've seen the OP3 go with any consistency, it's usually lower than that, whereas the LG G Flex 2 easily picks up almost all of the satellites in view. Feel free to share your own screenshots!!
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Sent from my ONEPLUS A3000 using Tapatalk
I have found the same issue and am looking for a fix. I love this phone but it definitely has issues maintaining solid reception. Have you had any luck?
I have a feeling that OP has not boosted the antenna strength in order to get more battery power. I noticed that often that during sleep that if the phone receives SMS, it's delayed by 8mins with OP3. With other phones, I get the text in under 1-2 mins if the device is sleep. I have not lost signal with any other phones but with the OP3 I have lost signal multiple times while in the middle of talking (GSM) with others.
I don't think it's only metal phones, I've had Nexus 6P and it's signal quality is good. It's in the software so I hope they can fix it in a later release. This phone is only good when it's screen on and not walking around where signal can be weak.
hey everyone,.. who have issues with the signal quality
do you have issues on custom roms as well? Just checking... pls let me know! Thanks!