USA firmware lagging behind, random reboot issues - Xperia Z3 Compact Q&A, Help & Troubleshooting

Hi, I'm using the Z3c in the US and the firmware seems to be significantly lagging behind other markets. I'd really like to get the stagefright fixes in. I know it's possible to flash other region firmware but I'm already having trouble sometimes with the phone not setting up the data connection when switching towers, so I thought I'd ask here if anyone has a recommendation.
XperiaFirm lists a "GLOBAL" firmware, has anyone tried that?
And also, no idea if that's related to my current .1.200 firmware, my phone randomly reboots while just being idle. Yesterday it happened twice! I'd probably never notice except that signal will ask for the password again. Otherwise it's working great though, so I think this isn't a hardware issue but hopefully related to the firmware.

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[Q] Losing signal completely

Hello. Have any of you experienced total signal loss? (The triangle in the status bar is hollow/empty). This happens seemingly on random and it "fixes" itself in a minute or so, and I can make calls and have mobile data.
Thanks
I have been also facing this issue lately with different roms. In my case, I loose the network and have to reboot multiple times to get the network up. Sometimes because of this, my phone shuts off. Not sure what is happening.
I flashed Dirty Unicorns a few days ago, and signal would drop every few seconds. Turns out the APN was set for MetroPCS, changed it to T-Mobile IPv6 and it fixed it.
I found my issue is related to my network operator. I am not sure why this happening, everytime I reboot or shut it down, I loose the signal and it takes many attempt's to get a connection. It could either be lollipop bug, network compatibility or issue with the device. Will find it out on Monday.
same here
I've been dealing with this same thing for two days. I have Sprint.
I was on Chroma and traveling. I noticed I lost data during my drive. Once I got to the location, my wife had full 3g and I had nothing. I thought it must have been from dirty flashing an update. I wiped and flashed again chroma with the sprint.zip for apn. Still didn't work. I occasionally would connect to 3g but would lose it randomly for long periods of time. I ended up walking around with my verizon hotspot to have data.
I just flashed stock and I've been waiting 10 minutes for it to try to activate. I'm hoping it will work this time. What a mess this phone has become.
It seems like it's a lollipop bug. I tested my sim on a different phone and multiple times, I rebooted without any issues. I wonder if Google messed with lollipop or is it Motorola.
matejilic said:
Hello. Have any of you experienced total signal loss? (The triangle in the status bar is hollow/empty). This happens seemingly on random and it "fixes" itself in a minute or so, and I can make calls and have mobile data.
Thanks
Click to expand...
Click to collapse
Yeah, even if there the signal bar gets empty, it doesn't interrupt in incoming or outgoing calls Even mobile data works perfectly fine. For me it comes to normal after 5-6 seconds
For me it does interrupt calls and I don't have mobile data. I really hope its a lollipop issue. I guess they can add that as number 1500 to the bug list...
I am currently experiencing that exact same problem no matter which rom I am using. It is really becoming a PITA. Spent 950$ for this POS phone.
Not a lollipop issue.
matejilic said:
For me it does interrupt calls and I don't have mobile data. I really hope its a lollipop issue. I guess they can add that as number 1500 to the bug list...
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Click to collapse
Phillis said:
I am currently experiencing that exact same problem no matter which rom I am using. It is really becoming a PITA. Spent 950$ for this POS phone.
Click to expand...
Click to collapse
Few things to explain if you really want to find out what is wrong. Who is your carrier? Or you running stock or modified ROM? Are you rooted? Giving information like this may help you get to the problem. If it were a lollipop issue, don't you think everyone or at least a lot more people would be experiencing the same thing and posting about it???? Come on guys, be a little more precise when posting issues with said device.
vvveith said:
Few things to explain if you really want to find out what is wrong. Who is your carrier? Or you running stock or modified ROM? Are you rooted? Giving information like this may help you get to the problem. If it were a lollipop issue, don't you think everyone or at least a lot more people would be experiencing the same thing and posting about it???? Come on guys, be a little more precise when posting issues with said device.
Click to expand...
Click to collapse
Hi,
WIth Fido in Canada. As some others have posted, if I choose LTE (recommended) in Preferred Network Type, I lost my connection every 15 minutes for 1 minute. If I set to 3g, all is fine. I tried the sim in my nexus 5, doesn't happen.
Tried CM and some other AOSP customs roms, always have the problem. Also tried different radios., same problem. I will definitely retry with the factory image soon, but I have strong doubts it's the OS. I contacted Google, they are sending me a replacement phone.
It's insulting to shell out 950$CAD for a new phone, have it bug on you, then have them ship you a freaking refurbished device. I have a 64GB midnight blue from the first Canadian run (I was one of the lucky bastards, or unlucky!). Then they wonder why people buy iPhones...yes they are very limited, but at least the damn thing works.
Almost every single Nexus I have purchased has given me problems (4-5-6-7-7(2013)). The only one that has yet to show me problem is the 9, but that was a gift for my mother, so she won't even notice if things go bad. I am definitely done buying a Nexus device when it is released...lol
Forcing 3G
Hey Guys,
I tried switching from Euphoria OS to Omnirom but no dice.
I deleted all unused APNs and forced 3G connection, rebooted and it seems to be stable for now.
Hope there's a better fix soon.
Got another nexus 6 from Google...same problem. Every 10 minutes LTE drops. POS....
No problems here.. Sounds like a network issue not a hardware problem.

Galaxy Note 5 4G data heating issue

Hi XDA team,
I have this phone for about 3 months now and it's been great for me overall. However starting last week, I started to experience a heating problem. Whenever I'm on data and on 4G connection, my phone heats up crazy, about 43° Celsius and I did not wait to find out how high it can get. This is without doing anything!
So I can say I'm not that really new when it comes to troubleshooting Android phones, I had my fair share of bricking my older phones due to tweaking, rooting, etc. However my Note5 is not rooted, dual sim version but I only use 1 sim.
I already suspected an app that might be causing it, but gsam can't really see what the suspect was (Now I realized, troubleshooting a non rooted phone is harder) so I want to safe mode. Now all my 3rd party eliminated, after turning my 4G on and locked the phone, it still heated. :crying:
So, I tried putting it on 2G or 3G and my phone does not heat up the way it does when it's on 4G, it only comes close to around 36° and this is normal while browsing.
It never did this until just last week, what are your thoughts?
I'm in the Philippines and I'm a Globe user, anyone experiencing the same? Does it have to do with the signal? Screenshot attached about my firmware.
If this is the signal strength then the phone will behave in this manner. Try going to a location with full signal and see if the same issue persists then give it to a service center and ask then reload the firmware.
Sent from my SM-G930F using Tapatalk
Happening to me right now. My Note 5 started heating up last monday everytime I use the 4g connection. I think it's not the signal strenght in the area since I've been using 4g/LTE since I got my phone last Dec.
I noticed that I was having a hard time connecting to 4g last Monday (August 22) then my phone started to overheat everytime I connect to a 4g signal. I tried formatting my phone then not install anything but still, it heats up.
I hope someone can help us with this.
I'm also from the Philippines, by the way.
its a known issue among users here....especially after upgrading to MM. It happened to me. If you still have warranty, you can bring it to Samsung Service Centers and based on the similar experiences of others, they will replace your unit with a new one.
Check the FB page "[Temp Group] Galaxy Note5 N9208 overheat and battery issue"
Does anyone tried reverting back to lollipop? Does it fix the issue? thanks

Moto X4 reception dying?

I've had this phone about a year and the reception on this thing has gone from awesome to almost nothing. I live in Madison, WI and was on ATT for years through most of my motorola phones. Thought their service was just turning into junk so I decided to give Mint Mobile a try, that was even worse (wasn't expecting AMAZING results given what it was) and then I tried Verizon. While Verizon has helped quite a bit, my data speeds don't go above 3Mbps. My call quality seems to be dropping and garbling my voice more and more. It seems like it all happened after I had gotten an update. I factory reset my phone hoping that'd help but it did nothing for me.
Anyone else have this happen? Probably buy a new phone which won't be another Motorola since they seem to be dropping the ball on their phones.
I'll say first that I haven't had this happen to my X4. If it really only happened after an update, it's entirely possible the modem firmware was updated and the new version doesn't want to play nice.
If you can unlock your bootloader use fastboot, you could try to flash a different modem firmware.
Same issue here after latest update. Not only does data keeps dropping, calls keep dropping also. In the middle of the conversation, I can hear other person talking to me, but they don't hear me all over sudden.
And I know this is a phone issue, not connection issue, because this is happening in a location that in the past there were no problems at all.
Just for clarification for those having issues... What variant (1900-1, -7, etc.) are you using? Is it the regular edition or the Android one? And most importantly, which update was received when the problems started?
aybarrap1 said:
Just for clarification for those having issues... What variant (1900-1, -7, etc.) are you using? Is it the regular edition or the Android one? And most importantly, which update was received when the problems started?
Click to expand...
Click to collapse
Mine is:
XT1900-1
hardware version: p4
Software Variant: amz
Issues started to happen after latest update.
when you say which update, are you referring to Build number?:
PPWS29.69-39-2-4

Question S21 Ultra SM-G998B/DS 256gb - No Voice Audio During Calls?

Looking for help on this one. Every 3-5 days my Ultra gets into a state where no voice can be heard by either myself or the person on the other phone when a call is made or received, but I can hear the ring tone if I'm calling prior to the person answering, and my phone rings as normal if someone calls me. But when answering the call it's just silence on both sides. A reboot fixes this only for it to happen again 3-5 days later, requiring another reboot.
omegle xender
At first I assumed it was a corruption of the rom I had installed, so I flashed back to my stock image with Odin, including a fresh VOD CSC install. Unfortunately, it's still happening after this. Speaking as an engineer, it's unusual but not unheard of for a device to have a hardware issue of this type and it be rectified each and every time with a reboot, that would normally point to a software/firmware error of some sort. However, the fact it's continuing to happen after a completely fresh re-flash of stock Android suggests my worst fears that it is hardware. I could try some things, like not installing Magisk or even re-locking my bootloader, but I don't believe either would be a factor. I only used Magisk for rooting and don't install additional modules. I've also ruled out the sim card or sim slots by swapping to an e-sim, only for it to still happen.
Anyway, any suggestions would be welcome, especially if you have suffered something similar. There is an easy fix, which is to schedule a reboot every morning at around 3am, but I'd sooner not have to do this before working out what the underlying cause is.
Was this an issue before you rooted the device? If not that points to a software issue. Is the CSC native to the region you're in? If not you might try flashing the native firmware or your service provider's firmware. I don't believe one can relock the bootloader, at least as far as Knox is concerned which is integrated into various system entities. Have you attempted a Factory Reset? Unfortunately Samsung isn't likely to assist on a rooted device.
Ok, I have the 512 Gb version, Exynos and I have the same issue. I AM on stock so it is definitely the hardware. My manager has the same phone and he doesn't have this issue. Not sure what space capacity is his but I think it is a random hardware issue. I mean only some specific devices have this issue. I think it is time to ask Samsung to look into this.
I don't do many calls from the SIM , mainly Whatsapp, Messenger and Teams...
Same here! It happened when my sister calls and i thought that it was a problem on her end. But today it happened with another person. I've linked my Galaxy watch 4 lte to that same plan. I will test it tomorrow.
UPDATE: I cleared the cache and now every test call was succesful!

Question Mobile Data cycling with "No Service"

I don't know how I ended up letting this issue last for so long but it has been happening for a good 3-4 months. It might have been after a firmware update, it might not. But at this point it's driving me coco-nuts.
Phone: Galaxy S21 Ultra 5G (SM-G998B/DS), using an e-sim.
Whenever I try to "actively" use my phone on cellular data (e.g. opening the Youtube app), without fail I will lose all connectivity and the "No Service" logo will show in the status bar. It takes 10-30secons to cycle back to having service, rinse, repeat. I get 2-3 seconds of working cellular data each cycle.
This doesn't happen if I don't try to "actively" use data. The phone holds service, I'll even receive Whatsapp Calls with no problem so long as I don't initiate them.
I've tried resetting network settings. I've also tried switching Network mode from "5G/4G/3G/2G (auto connect)" to the other options.
Any ideas?
bump
It's likely a problem with your e-sim data plan. Have you tried using a normal sim?
I should've mentioned I tested it with a plastic sim from a different operator and the issue remained.
I had this same issue since Jan. A few S21U phones have it and it seems to be some kind of software + hardware issue that affects a small portion of the phones.
The OneUI 4.1 update should fix it. have you got this on your phone yet? If not you should see it soon.
Thread from the Samsung community forum. posts at the end from MattH665 is me, detailing my extremely frustrating ordeal with this issue:
Samsung account
us.community.samsung.com
Until you have the update, if you force your phone to 3G (assuming 3G isn't shut off where you are) then you might be able to get by. Mine worked fine on 3g (of course it's slow).
Maddmatt said:
I had this same issue since Jan. A few S21U phones have it and it seems to be some kind of software + hardware issue that affects a small portion of the phones.
The OneUI 4.1 update should fix it. have you got this on your phone yet? If not you should see it soon.
Thread from the Samsung community forum. posts at the end from MattH665 is me, detailing my extremely frustrating ordeal with this issue:
Samsung account
us.community.samsung.com
Until you have the update, if you force your phone to 3G (assuming 3G isn't shut off where you are) then you might be able to get by. Mine worked fine on 3g (of course it's slow).
Click to expand...
Click to collapse
I had tried googling the issue using many, many keywords and was getting stumped with unrelated results.
Your "S21 Ultra reception fail" youtube video is basically exactly what was happening on my phone, albeit a bit faster to recover from the no service status.
And...... I basically got the notification for the OneUI 4.1 update around the same time I was notified of your response. The issue has disappeared altogether.
Thank you for bringing it up with the techs at Samsung. Don't know how long I could've held on to the device in this state.
As a side note to anyone reading this in the future, there was an update to the "Private Compute Services" app available as soon as the phone reboot from the OneUI 4.1 update. The 24th of March patch notes claim "operating system improvements and capabilities. Bug fixes and various optimizations.". That could also have been the fix.
Cheers.

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