[Q] HTC Radar (T-Mobile) Continually Resets :( - HTC Radar

I was driving home and noticed my phone behaving strangely:
It will power on and attempt to boot up, make it about 3 or 4 seconds in and then *buzz!* reboot....over and over. It never makes it past the booting stage.
About the best I can get it do to is to hold down the up and down volume buttons and the bootloader screen will display for a half second before the phone reboots itself again. I have no chance to select the "factory reset" option.
I'm coming on here hoping you smart folks will have some advice for me. My gut tells me the thing is bricked...but I'm hoping someone will have some advice. I have some important pictures on the phone too that I will be sad to lose.

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[Q] Help please !! frozen at "stick together screen"

Hi all, 1st off, this forum is amazing. Please provide your input.
My device: HTC HD2 from Tmobile STOCK, out of the box, no mod has been done.
Problem: frozen at "stick together" screen for unknown time
Situation: the phone was used for 2-3 weeks, then sat in the box for approx 6 month.
Attempts: during all my attempts i didn't have the SIM CARD installed.
1/i tired to do factory reset, the 1234 then pressed yes -> frozen at sticktogether screen. took out the battery. then
2/Called Tmobile help support, we did hard reset by holding the volup and voldown plus power button, after I got to the animated screen.....stuck at "stick together"
3/Tmobile tech told me to take out the battery again, take out the micro sd card, and start the phone normally ....guess what ? stuck at stick together screen !!!! at this point, i was like **** should have not given away my iphone4
4/ while being stuck, the tech guy told me to use a pinpoint pen to activate the little yellow button next to microsd card, the device kinda turn off, then again ...stick together appeared. I thought to myself, i should have stuck with my Iphone4.
turning point: So, anyway, took out the battery, then turn on the phone normally, of course stuck at stick together...then let it sit for about > 3 hrs while watching "RED" from redbox...haha i came back, the phone logged in , kinda like the fresh start from out-of-the-box setting. I went through the initial tutorial, and all that good stuff. Seem to be functional. I turned the phone off, then do the vol down, and power button to check SPL version, mine is 2.4.1000000 or sumthing like. then it stuck at the tri color screen. took out the battery, then started the phone ...GUESS what ? stuck at stick together again.....I feel miserable.
I have two option,
1/ is to send the device back to tmobile and have them replace it.
2/ writing this thread and hopefully someone knows what's going on !!!

[Help] Power button issue

I tried to turn the screen off, but it keeps turning back on. I've had this issue for a while and looked it up. Most people said it was a hardware issue, but the thing is...now it will not turn off the screen at all. I know the power button works because I can long press it to get the power menu as well as hold to restart, but not turn off the screen. Also, I can activate the "lock" feature in TWRP as well with the power button. I had this issue on an older rom, so I wiped EVERYTHING and installed revolt, yet I still had this issue and as I was typing this, I got the new issue of it never turning off. I don't know what's causing it. Any ideas? It's been happening for a few days now.
Attempt 2: Now I have the stupid turning off issue. Now, every time I press the power button the opposite happens. It turns on for a second and then turns back off. I'm thinking that this is a hardware issue. Anyone else disagree?
Attempt 3: Back to same issue, turns off and turns right back on in like 2 seconds. Going to call Samsung and see what this is about.
[EDIT]: I should mention, I have the same vibrate issue described in this thread. I'm suspecting a stuck power button. Great. Time to talk AT&T into giving me an early upgrade.
A stuck power button won't allow your phone to boot up completely. So you're probably ok there if you can boot up and type in an app.
You do have an issue though. Something got borked up somewhere. I would try going back to stock completely.
Backup important files, wipe EVERYthing on the phone at least twice. Then using Samsung kies on a PC do an emergency firmware update. Once your update completes perform another factory reset and see how she's working. If you still have a problem then contact Samsung. If no problem, enjoy your phone!
Eh, I tried the wiping everything (internal, not the sd card), but I guess I shall try moving it to stock as well. Do you suggest keeping TWRP or should I install stock kernel, recovery, and do a firmware update? I might also dump my phone in rice to see if maybe some water got in there (doubt it though). Also, I might be screwed if it's otherwise. Been over a year since I bought the note.
Also, are you sure it's not stuck (partially or sometimes maybe)? My phone is constantly rebooting on and off for no reason and sometimes this happens, other times the power button is okay. But when it does reboot, it vibrates a lot. Sometimes it'll just keep vibrating and never reboot like it's turning off and on constantly and I have to press and hold the power button a few times before it starts booting again.
EDIT: I also realize it could be a combination of issues and one of these issues might be a battery one. I do have another battery and I can feel a noticeable bulge so I'll go home, change the roms, battery, and do a firmware update and see how it goes.
Would just like to add that flashing an official firmware through kies did not fix my problem. Furthermore, now I'm getting the invalid sim problem and it keeps asking me to restart. I had this problem before and just recently (a week ago) got a new sim and now it's back. Maybe it's an hardware issue?

LGL38C

I don't think this is the right forum, but I couldn't find one specifically for this device.
I'll start with a brief explanation...
I work in a motel where things are constantly being left behind by guests. Policy requires that we hold lost items for 30 days. At which time employees can take said items. I always get the phones/gadgets.
So, I just got one of these LG Optimus Dynamic devices. However, it won't turn on (probably the reason they left it behind). When I press the power button, I just get a solid white screen... Is there any way to fix this device, or is it just a paperweight at this point?
Can0dope said:
I don't think this is the right forum, but I couldn't find one specifically for this device.
I'll start with a brief explanation...
I work in a motel where things are constantly being left behind by guests. Policy requires that we hold lost items for 30 days. At which time employees can take said items. I always get the phones/gadgets.
So, I just got one of these LG Optimus Dynamic devices. However, it won't turn on (probably the reason they left it behind). When I press the power button, I just get a solid white screen... Is there any way to fix this device, or is it just a paperweight at this point?
Click to expand...
Click to collapse
@Can0dope
Remove battery. Wait 10 seconds. Put battery back in. Hold Volume Down and plug an Usb cable in it (USB must be in PC with an os running also). Tell me what happens.
@christi9503 I followed your instructions. It booted up to the white screen again, the screen flashed, it made a boot sound, and vibrated. A crack has recently appeared under the screen. Touch is still responsive.
Can0dope said:
@christi9503 I followed your instructions. It booted up to the white screen again, the screen flashed, it made a boot sound, and vibrated. A crack has recently appeared under the screen. Touch is still responsive.
Click to expand...
Click to collapse
That is strange that should get you in the emergency mode. Try again holding button up. If this does not work power it off hold Volume down+Home button+Power. wait 8 seconds release power. tell me what happens.

Galaxy S5 (SM-G900T) screen not working correctly

So I had my Galaxy S5 from T-Mobile for a couple of months and it has been working great, especially after the recent Marshmallow update. But as of late, my phone would crash and keep restarting until it starts up normally again. Over time, it would get progressively worse and it would take longer to boot up over the course of a couple of days, and when it does finally manage to boot up and work, pressing the power button would crash the phone and throw it back into a boot loop. I left the phone alone for a couple of days and came back to it to try to boot it up again, and it worked well! It booted up first try without any kind of restarts and the power button worked a couple of times until... it failed again when I pressed the power button and it got stuck in a boot loop again. And after a couple of minutes of being stuck in a boot loop, it would boot, but the screen was black. The LED at the top of the phone and the lights from the capacitive buttons would work and I know the phone is working it's just that the screen is not. I can manage to turn off the phone without the screen by holding the power button and guessing where the "Power Off" button is. And while the phone is in this state, when I press the power button the phone would lock like it's supposed to. I've tried taking out the battery and holding the power button for 2 minutes and letting the phone rest for another 10 minutes but it doesn't seem to really do anything. I've tried rooting it before but failed to, but I don't really think that's the problem. If you guys have any suggestions I would really appreciate it! Using my old Galaxy S3 is kinda annoying, especially since Pokemon Go doesn't support it. Thanks again!
If you guys would like a video of some sort to see what's going on exactly then I'll be glad to make one for you guys.
Did the problem start after you tried to root? What did you use to try and root your phone? What baseband are you on? Do you have stock or a custom recovery?
From past experience, symptoms indicate a stuck power buton. FWIW.
Sent from my SM-G900T

LGV10 (h901) started bootlooping, died, and won't let me back into recovery

Got my h901 14 months ago. It's rooted, and the bootloader is unlocked; and, aside from the documented battery-life issues, its been a terrific smartphone for me.
This evening, it started bootlooping. I was able to get into the menu long enough to go into TWRP, and do a factory reset. It booted up alright, and started to re-load Android. Partway through the process, the screen turned black. Couldn't get it to come back with double tapping/ tried holding down the Power button to get the power menu...no luck there/pulled the battery, and held the Power button until it started up. However, it went past the LG splash screen to the 'Your device software can't be check for corruption' screen. It hangs at that screen...and, after about 60 seconds, turns off.
I did the manual boot into Recovery, and got to the 'Factory data reset' screen. When it asked me 'Delete all user data...' on two consecutive screens, I answered 'yes' both times (using the volume buttons for up/down, and the power button to execute). After that, it went back to the 'Your device software can't be check for corruption' screen. It hangs at that screen...and, after about 60 seconds, turns off.
Is the phone bricked, fried or something else un-fixable? I have the full insurance/coverage from T-Mobile...so, I can get it replaced. But, I'd rather fix it myself, if this is possible.
Thanks, in advance for your help!
PJ Arts
mine too.....bootlooping....the difference is that it is not rooted....and cannot select "OEM Unlock" feature in "Developer options"....it seems that it is "locked"....mine is refurbished unit I bought from Aliexpress.....How can I use fastboot if it is not rooted? please help me guys.....thanks
Madmanmoose said:
Got my h901 14 months ago. It's rooted, and the bootloader is unlocked; and, aside from the documented battery-life issues, its been a terrific smartphone for me.
This evening, it started bootlooping. I was able to get into the menu long enough to go into TWRP, and do a factory reset. It booted up alright, and started to re-load Android. Partway through the process, the screen turned black. Couldn't get it to come back with double tapping/ tried holding down the Power button to get the power menu...no luck there/pulled the battery, and held the Power button until it started up. However, it went past the LG splash screen to the 'Your device software can't be check for corruption' screen. It hangs at that screen...and, after about 60 seconds, turns off.
I did the manual boot into Recovery, and got to the 'Factory data reset' screen. When it asked me 'Delete all user data...' on two consecutive screens, I answered 'yes' both times (using the volume buttons for up/down, and the power button to execute). After that, it went back to the 'Your device software can't be check for corruption' screen. It hangs at that screen...and, after about 60 seconds, turns off.
Is the phone bricked, fried or something else un-fixable? I have the full insurance/coverage from T-Mobile...so, I can get it replaced. But, I'd rather fix it myself, if this is possible.
Thanks, in advance for your help!
PJ Arts
Click to expand...
Click to collapse
Replace it if you can.Especially if you have all your data backed up.The V10's days are numbered, i assume from the symptoms your listed that your phone is gone into the dreaded bootloop.It's hardware failure! The fact that it suddenly shut off, booted part way and suddenly died only to keep crashing at the warning screen leads me to think it is indeed done. you can confirm if it is a hardware failure by putting the phone in the freezer for 15-20 min.If it boots and works for a while and shuts off (confirmed hardware failure).Even if it does end up working, its better to just get a replacement better yet a more reliable phone.As i said all V10's have their days numbered
same thing happen to me today :/ anyway to fix this?
Madmanmoose said:
Got my h901 14 months ago. It's rooted, and the bootloader is unlocked; and, aside from the documented battery-life issues, its been a terrific smartphone for me.
PJ Arts
Click to expand...
Click to collapse
Have you tried the debrick thread?
Sent from my LG V10 using XDA Labs

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