Nexus 5x went to bootloop after inserting new sim card - Nexus 5X Q&A, Help & Troubleshooting

Hey there, being a Nexus 5x owner, I always dreaded the ill fated bootloop. But i personally never ran into the problem until yesterday. I am using the Nexus 5x for over 20 months, so repair and warranty is out of question.
Also unlike others it didn't happen after any system update. The last update i did was like a month back. It was running on android oreo.
So 2 days back my sim card stopped responding. So i opened up my sim and tried it on other phone. The sim card was dead. I applied and got a brand new sim card and inserted it on my Nexus 5x, but the new sim never got detected. I waited for a day before trying the sim in other phone, it worked perfectly in other phones, i tried again in my 5x but it always said no sim card detected. But the problem started while trying 3-4 times to re insert my sim, the system went into a boot loop. After leaving it for some time it successfully switched on. But again went back to boot loop after an hour. And now it keeps on happening. It switches on successfully, works for an hour without detecting the sim card, back to bootloop. I am out of wits about what to do next.
I have already unlocked usb debugging and oem.
Any help is extremely welcome and i would be grateful.
Thank you.

There really is no need for a new thread on this topic! Matter of fact the BLOD thread is right at the top of this section!
Also read this for background https://www.xda-developers.com/nexus-5x-bootloop-fix-boot-phone/

Related

help me plz

My problem: The phone without a SIM card works. The phone with the SIM Card, shuts itself off and either refuses to start, or constantly restarts flashed many roms tried another sim cards but the problem persists
hajiaru said:
My problem: The phone without a SIM card works. The phone with the SIM Card, shuts itself off and either refuses to start, or constantly restarts flashed many roms tried another sim cards but the problem persists
Click to expand...
Click to collapse
With a title like this no-one will respond to your question!
Hi, have you tried with another battery? That seems battery problem, if you have two years or more it, change it, luck.
hajiaru said:
My problem: The phone without a SIM card works. The phone with the SIM Card, shuts itself off and either refuses to start, or constantly restarts flashed many roms tried another sim cards but the problem persists
Click to expand...
Click to collapse

Keeps rebooting - After being unlocked

Hey guys,
Hope that someone can help me.
I managed to get my hands on another DHD in amazing condition, looks new, so that I could sell my original handset.
So I did the same as before unlocked the phone by HTC Dev, installed TWRP and then Cm11, fastboot flashed the boot.img file and it was alive.
After running through the set up, the phone the rebooted by itself (Weird I thought), then after about 10 mins it rebooted again and the phone reboots itself all the time.
There is no pattern that I have found, no set time limit to the reboots or particular apps that cause it to reboot??
I have also tried different Rom's and it still has the same issue.
Anyone got any ideas?
sudd1976 said:
Hey guys,
Hope that someone can help me.
I managed to get my hands on another DHD in amazing condition, looks new, so that I could sell my original handset.
So I did the same as before unlocked the phone by HTC Dev, installed TWRP and then Cm11, fastboot flashed the boot.img file and it was alive.
After running through the set up, the phone the rebooted by itself (Weird I thought), then after about 10 mins it rebooted again and the phone reboots itself all the time.
There is no pattern that I have found, no set time limit to the reboots or particular apps that cause it to reboot??
I have also tried different Rom's and it still has the same issue.
Anyone got any ideas?
Click to expand...
Click to collapse
Have you tried changing the battery?
Hi Mickey,
Think I have found the problem, the phone has been sim unlocked, but for some reason does not like the one I have put in.
I will try some other sim cards and see if it is all networks this happens with.
Sent from my Xperia S, made awesome by XDA.

"Insert Valid Sim Card" after Downgrading LG G3

Hey guys I'm looking for some help with my LG G3. I used the KDZ method found here http://forum.xda-developers.com/showthread.php?t=2785089. I did a normal flash and after finishing my phone went into a boot loop so I did a factory hard reset so I lost root and my phone now has no data and tells me to enter a vaild T Mobile sim card. I have the D851 so any suggestions would be very helpful to get my phone back up and running. It seems to have partially worked because the phone was running lollipop but is now running back to stock kit kat.
Same problem
knettles said:
Hey guys I'm looking for some help with my LG G3. I used the KDZ method found here http://forum.xda-developers.com/showthread.php?t=2785089. I did a normal flash and after finishing my phone went into a boot loop so I did a factory hard reset so I lost root and my phone now has no data and tells me to enter a vaild T Mobile sim card. I have the D851 so any suggestions would be very helpful to get my phone back up and running. It seems to have partially worked because the phone was running lollipop but is now running back to stock kit kat.
Click to expand...
Click to collapse
Also on the 14th, My phone just randomly said 'insert valid sd card' with a 10 second countdown to the phone restarting...
and now I cant use my sim on my phone (EE)
I havent gone through any steps to try and fix this however, apart from reinserting the sim, which sometimes works for a couple minutes
randomnes said:
Also on the 14th, My phone just randomly said 'insert valid sd card' with a 10 second countdown to the phone restarting...
and now I cant use my sim on my phone (EE)
I havent gone through any steps to try and fix this however, apart from reinserting the sim, which sometimes works for a couple minutes
Click to expand...
Click to collapse
You can fix that? I m confused becouse this is a random issue
There's another thread on invalid SIM on the lg g3 forum. I "fixed" the problem by turning off Wi-Fi and leaving it off. It seems to take a little while and some reboots but eventually becomes stable (and battery lasts much longer) but of course I'm using mobile data. Still with free music and video, not that big a deal. Hot spot tho is a problem.
Sent from my LG-D851 using XDA-Developers Legacy app

HELP! McAfee thinks my phone is rooted and locked me out

So a little background first. Over the past couple of weeks I've been having an issue where my phone just all of a sudden tells me that my sim is not recognized. Usually a power down and back up fixes it, but it's been getting worse and worse. I tried getting a new sim card but that didn't help.
So today the problem occurs again, and when I restart I get a McAffee screen telling me my phone is locked because it's been rooted (it has not). From what I can tell, the only thing it will let me do is enter a pin that I don't know. Do I have any options here, or am I totally bricked? Any help would be appreciated, I'm starting to panic.
Don't worry, your phone till okay.
the last option you can do is hard reset or try to flash stock
Edit: found similar topic here: http://forum.xda-developers.com/showthread.php?t=2796958

Random transient bootloop during power on/restart

I noticed that when I restart, or power off and on my HTC 10, sometimes it will bootloop 2 to 3 times at the white HTC logo. Eventually, the green boot animation will load, Android will start and the phone will behave normally.
Except for this anomaly, my phone has been rock stable in everyday use. It's a Taiwan set with the latest 1.30 firmware.
Anyone else having this issue?
Nobody?
Same issue. It started with the most recent OTA update. After installing, it was stuck in a boot loop until I hard powered it off. Then it boot correctly, but asked to send a bug report.
Now when i restart my phone, it typically always asks to send a bug report.
mine does the bootloop with xposed installed on bell's 1.21 firmware.
Just chiming in - US unlocked on ATT, have seen this issue on the stock 1.53 ROM as well as Bad Boyz. It is indeed transient in nature.
Installed 1.80 Taiwan firmware and it's still there...
Just booted up from power off, and it rebooted 4 times by itself before the green HTC circle logo finally appeared! Coming from an LG G4 with the infamous boot loop of death, this is scary stuff!
There is another thread on this a few threads below this one. As I mentioned there, I had this issue on a fully stock U.S. Verizon 10. I formatted my SD card, which I had transferred over from my m8, and have not seen the issue since then.
Parakaleo said:
There is another thread on this a few threads below this one. As I mentioned there, I had this issue on a fully stock U.S. Verizon 10. I formatted my SD card, which I had transferred over from my m8, and have not seen the issue since then.
Click to expand...
Click to collapse
Did you format the microSD card using the 10, or using a PC?
chong81 said:
Did you format the microSD card using the 10, or using a PC?
Click to expand...
Click to collapse
PC. It cleared the card, I put my music back on it and nothing else. And that seems to have solved it.
Had this issue too
After some tests i found, that my microsd-card was the fault! had a samsung 128gb evo+ card.
with a different card this issue doesnt occur.
put back my samsung card and the issue occured again.
after low-level formatting the card the problem is solved
Parakaleo said:
PC. It cleared the card, I put my music back on it and nothing else. And that seems to have solved it.
Click to expand...
Click to collapse
Well, I take this back. After formatting my SD card, I had 4-5 days with no problems, then this morning when I powered on the phone, it did the bootloop/send error report thing again
It does seem to be related to the microSD card - I removed my microSD for a few days, rebooted plenty of times and encounter a single boot loop.
Mine is a Lexar 128GB UHS-I 633x microSD.
Folks, please share the microSD card you're using, and whether you have encountered the transient bootloop.

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