Had the same issue yesterday night, several App Optimization and it kept on draining the battery. I thought I had a hardware problem but after charging the cell(Nexus 5) with a direct connection to a power cord. Kept it on charge for about an hour and it booted fine without any loops. You guys could try having your phone fully charged before powering it up. Hope this helps
Phone keeps rebooting and optimizing apps what did i do? lol
- Thread starter bold1193
- Start date
Thanks for the tip. I tried that. One weird thing is I left it plugged in and looping all night. the green LED was on after. gave me hope. rebooted and.... same thing, looping. I called Motorola who I bought it from direct. (yes expensive way to buy
) I told them what was up. did all the stuff, factory reset, cleared cache ect. same busted phone. one thing was It started happening after the T- Mobile update. Motorola said they know that its been a problem (nice that they admitted it, thumbs up Motorola ) its still under warranty. They are giving me a brand new one free of charge. 7-10 days turn around unless I expedited shipping for $24. Thumbs up Motorola Its a Google software bug. blame Google.Having the same issue myself...constantly rebooting. I can't even use the phone at this point. Earlier in the day it would occasionally boot up and then start optimizing apps, then after 30min it would start rebooting again. This is terrible. I can't believe Google is allowed to push software that bricks phones. I'm out of warranty by a month and f*cked
Had been fussing with my old Bluetooth headset, and my Nexus 5 rebooted into the "optimizing apps" mode (25 minutes to complete!). Perhaps it is the Bluetooth that is the culprit?
This has happened to me twice in the last month, not a huge deal for me but is concerning if it gets any worse. Both times I picked up the phone to use it and found it half way into the app optimizing process. Very strange!
Worked for me (but I have a nexus 5)
I'm on this thread because I was experiencing the same thing on my Nexus 5. My phone was "optimizing" all 135 apps every time a restarted it. It was also spontaneously rebooting itself every few minutes, making itself almost unusable. It started this morning.
My phone has an app called "Clean Master". The program removes cache files and does some other stuff to keep the phone running smoothly. (I don't claim to understand everything it does). I ran Clean Master it removed about 1gb of files. Since I ran Clean Master, my phone has worked fine.
I am not so silly as to suggest that this will work for everyone, particularly anyone who has wiped their phone, etc. In fact I can't be 100 percent sure it's what fixed my phone. It's only been a couple of hours but I've shut it off and on twice to test it and it has worked with no "optimizing" apps. So far so good.
I'll report back if the phone starts failing again.
I'm on this thread because I was experiencing the same thing on my Nexus 5. My phone was "optimizing" all 135 apps every time a restarted it. It was also spontaneously rebooting itself every few minutes, making itself almost unusable. It started this morning.
My phone has an app called "Clean Master". The program removes cache files and does some other stuff to keep the phone running smoothly. (I don't claim to understand everything it does). I ran Clean Master it removed about 1gb of files. Since I ran Clean Master, my phone has worked fine.
I am not so silly as to suggest that this will work for everyone, particularly anyone who has wiped their phone, etc. In fact I can't be 100 percent sure it's what fixed my phone. It's only been a couple of hours but I've shut it off and on twice to test it and it has worked with no "optimizing" apps. So far so good.
I'll report back if the phone starts failing again.
I have the same problem - my phone started rebooting from 2 days after i charged it in a train. Also while on charge it was trying to unlock and do some operation by itself, if i try to unlock, the numbers were getting entered wrongly when on charge on a train, i.e if i press 2, it takes 8. Later after a day it started rebooting and showing optimizing apps. And this process takes lots of time.
When not charging, and if i press the power button to unlock, it reboots but some time it works fine.
Is this a hardware issue ?
When not charging, and if i press the power button to unlock, it reboots but some time it works fine.
Is this a hardware issue ?
I had all the problems that you just mentioned including the red light. And I have tried everything which I can find on the internet to resolve this problem. I am finally able to boot the phone in Safe Mode and backup my data after spending almost 12 hrs with the phone.
As you mentioned above I got to the point where the phone wont switch on and the red light was on. Follow the steps below to boot the phone.
1. Press the Power + Volume Down button for around 10 seconds to get to the boot loader screen.
2. Press Volume Down twice to get the Recovery Mode menu and click the power button
3. Wait until you see a dead droid with a red triangle
4. hold power and volume up
5. you will see a droid system recovery screen, use volume key to scroll to Wipe Data Cache partition and press power to confirm
6. Wait for phone to restart.
Now you will get the Optimising # of # you will have to wait wait, unless this completes. If you see the four circle animation for more than 5 minutes then again press the power button 30 sec to reboot, It will restart the optimising # of # from where you left it off. (Its quiet time consuming task)
Finally after 3 or 4 reboots the optimising showed for me 134 or 134 and rebooted.
7. Dont start any apps, Immediately hold the power button so that it displays the Power Off item on the screen.
8. Long press the power Off on the screen to show a Safe mode option,
9. Select Safe mode, and the phone will boot up in safe mode.
10. Back up all your data from the phone.
This is where I have reached yet....
Now I need to degrade it to a lower version of android and then bump it up to 5.0.1 and stay there unless these problems are fixed.
OR
Throw away the nexus and get an iPhone.
As you mentioned above I got to the point where the phone wont switch on and the red light was on. Follow the steps below to boot the phone.
1. Press the Power + Volume Down button for around 10 seconds to get to the boot loader screen.
2. Press Volume Down twice to get the Recovery Mode menu and click the power button
3. Wait until you see a dead droid with a red triangle
4. hold power and volume up
5. you will see a droid system recovery screen, use volume key to scroll to Wipe Data Cache partition and press power to confirm
6. Wait for phone to restart.
Now you will get the Optimising # of # you will have to wait wait, unless this completes. If you see the four circle animation for more than 5 minutes then again press the power button 30 sec to reboot, It will restart the optimising # of # from where you left it off. (Its quiet time consuming task)
Finally after 3 or 4 reboots the optimising showed for me 134 or 134 and rebooted.
7. Dont start any apps, Immediately hold the power button so that it displays the Power Off item on the screen.
8. Long press the power Off on the screen to show a Safe mode option,
9. Select Safe mode, and the phone will boot up in safe mode.
10. Back up all your data from the phone.
This is where I have reached yet....
Now I need to degrade it to a lower version of android and then bump it up to 5.0.1 and stay there unless these problems are fixed.
OR
Throw away the nexus and get an iPhone.
Its a rather simple fix. If you have a case take it off and find a hard surface and smack(use your own discretion if I have to explain the reaction of plastic hitting something hard return to your seat and continue likcking the window) the backside of phone near power button against it several times. Them place your thumb on power button push it in and roll your thumb around four a couple seconds. If it doesn't work repeat. Its basically a result of a poor button choice same reason the buttons rattle right out of the box. Its a temporary fix I have to do once every couple weeks but for the 2 weeks its problem free. At first sign of the problem resurfacing just do it again
I tried all of the tricks mentioned and nothing worked. I finally bought a new battery and carefully replaced it myself. Since then my phone has not been randomly shutting off anymore! The phone also has similar battery life to when I first got it.
(Nexus 5)
(Nexus 5)
This might help some people. I just forced stopped/disabled Android System WebView (Settings/Apps/All) and rebooted.
Tested it by rebooting a further 3 times and all seems good.
FYI: I only had the Optimising App at boot issue, not the random reboot problem.
Phone: Motorola Moto X w. Android 5.1
And for anyone with a phone that might have future power button hardware issues (Google to see which ones do), install a power control app NOW. Don't wait for your power button to start failing. Happened to me on my Nexus 1 (remember that) and it's so much easier than dismantling your phone to power it up.
Tested it by rebooting a further 3 times and all seems good.
FYI: I only had the Optimising App at boot issue, not the random reboot problem.
Phone: Motorola Moto X w. Android 5.1
And for anyone with a phone that might have future power button hardware issues (Google to see which ones do), install a power control app NOW. Don't wait for your power button to start failing. Happened to me on my Nexus 1 (remember that) and it's so much easier than dismantling your phone to power it up.
Thanks.. that did helped.. but it's only 2 hours now...so let's see how it goes for the rest of the week.
And yes, I just register to say thanks.
But I also did one thing.. I uninstalled Microsoft Outlook app with was also very last app I install before this sh-t happend
( I smell microsoft jokes/criticism coming now). Figure shouldn't download it in the first place as there's a chance of me being their testbed.
And yes, I just register to say thanks.
But I also did one thing.. I uninstalled Microsoft Outlook app with was also very last app I install before this sh-t happend
( I smell microsoft jokes/criticism coming now). Figure shouldn't download it in the first place as there's a chance of me being their testbed.
Lee_Bo
Well-known member
- Apr 4, 2010
- 929
- 58
- 28
I have 2 Nexus 6 devices and the one that's stock has been running fine since the 5.1 and 5.1.1 updates. The only additional step I did was to reboot into recovery and wipe cache.
The one that's not stock wasn't modified because it wasn't working correctly, I just wanted to try a few custom rom's.
The one that's not stock wasn't modified because it wasn't working correctly, I just wanted to try a few custom rom's.
tonyr6
Well-known member
- Nov 20, 2013
- 722
- 0
- 0
Don't use the Next Lock Screen launcher from Microsoft. On my Nexus 5 I downloaded it once and deleted it after since it was a major battery hog and now everytime I did a partition cache wipe it does it's optimizing apps. Factory reset even though recovery did not fix it.
I since upgraded to the Nexus 6 unrelated though.
I since upgraded to the Nexus 6 unrelated though.
How do you boot in safe mode?
I am having a similar issue with my phone. It sometimes feels like it's over heating so I have just decided to leave the battery out til I figure out what's wrong. It's freezing or turning off and won't start up. I have to remove the battery to get the phone to start again. It sometimes says it's optimizing apps but then still won't boot up. I have factory reset the phone and it has done nothing but minimize the number of apps to optimize.
I am having a similar issue with my phone. It sometimes feels like it's over heating so I have just decided to leave the battery out til I figure out what's wrong. It's freezing or turning off and won't start up. I have to remove the battery to get the phone to start again. It sometimes says it's optimizing apps but then still won't boot up. I have factory reset the phone and it has done nothing but minimize the number of apps to optimize.
I had the same problem on my 2 year old Nexus 5 a few months ago where once in a while when I would reboot my phone it would give the "optimising app # of #" (often exceeding 140).
It was annoying since it took a good 10 minutes for it to finish, but since it wasn't often so I didn't think much of it.
However, a few weeks ago it started to get to the point where the optimising screen would show up at almost every reboot.
It also didn't help that I had problems with my battery where my phone would shut off completely while clearly showing I still had
a good 80% of battery left.
I decided to order a new battery from Amazon and replace it. It's been 2 weeks and I've still had no problems with the optimisation or the shutdowns, so I'm assuming it was related to the battery.
I would give a shot at replacing the battery, mine was relatively cheap (20$) and pretty simple to replace.
It was annoying since it took a good 10 minutes for it to finish, but since it wasn't often so I didn't think much of it.
However, a few weeks ago it started to get to the point where the optimising screen would show up at almost every reboot.
It also didn't help that I had problems with my battery where my phone would shut off completely while clearly showing I still had
a good 80% of battery left.
I decided to order a new battery from Amazon and replace it. It's been 2 weeks and I've still had no problems with the optimisation or the shutdowns, so I'm assuming it was related to the battery.
I would give a shot at replacing the battery, mine was relatively cheap (20$) and pretty simple to replace.
Hi,
I am now having the same issue! Last night, the "power off" option came up when i wanted to dim the screen (which i didnt press to confirm turn off), but the phone turned off anyway. So i thought I must've pressed it by accident. Turned it on, and the "optimising app x of x" window came up, went to bed whilst this continued. In the morning, phone was on, all fine, then immediately turned itself off again. I plugged it in to charge and turned it on, "optimising app x of x" came up again. I then left for work, phone was fine, used it for a bit, pressed the power button to dim the screen, took it out again 10 mins later and it was off! Anyway, I continued trying to turn it on, it kept flashing the google logo and occasionally the 4 little globules of colour. I was fed up so held the power button for about 20 seconds, still nothing happened. I continued trying to turn it on, and i got the android guy lying on his back with some 1980s style text below! It turned on after this. I googled and I think its bootloader mode? But how was this possible when I didnt follow the steps for it? All I remember doing last night which MAY have caused it is i tried to screenshot but it failed so I ended up holding volume down and power for a while. Anyway, I have now realised whenever I press the power button to dim the screen, it turns the phone off completely. Not sure what to do?! Help please! Am outside of warranty now
Sorry for the long message guys, just thought I'd give some detail!
I am now having the same issue! Last night, the "power off" option came up when i wanted to dim the screen (which i didnt press to confirm turn off), but the phone turned off anyway. So i thought I must've pressed it by accident. Turned it on, and the "optimising app x of x" window came up, went to bed whilst this continued. In the morning, phone was on, all fine, then immediately turned itself off again. I plugged it in to charge and turned it on, "optimising app x of x" came up again. I then left for work, phone was fine, used it for a bit, pressed the power button to dim the screen, took it out again 10 mins later and it was off! Anyway, I continued trying to turn it on, it kept flashing the google logo and occasionally the 4 little globules of colour. I was fed up so held the power button for about 20 seconds, still nothing happened. I continued trying to turn it on, and i got the android guy lying on his back with some 1980s style text below! It turned on after this. I googled and I think its bootloader mode? But how was this possible when I didnt follow the steps for it? All I remember doing last night which MAY have caused it is i tried to screenshot but it failed so I ended up holding volume down and power for a while. Anyway, I have now realised whenever I press the power button to dim the screen, it turns the phone off completely. Not sure what to do?! Help please! Am outside of warranty now
Sorry for the long message guys, just thought I'd give some detail!I've got the same problem,
But over here it won't just reboot sometimes, it wont stop rebooting & optimizing the apps...
So I can't factory reset it.
I'm using my OnePlus One, wich isn't the most common phone I guess...
I hope someone can help me with this... because the phone is useless now...
Max
btw i'm not used to ''playing'' with my phone or computers so please tell me in ''normal'' English
But over here it won't just reboot sometimes, it wont stop rebooting & optimizing the apps...
So I can't factory reset it.
I'm using my OnePlus One, wich isn't the most common phone I guess...
I hope someone can help me with this... because the phone is useless now...
Max
btw i'm not used to ''playing'' with my phone or computers so please tell me in ''normal'' English
I found this thread because it started happening to me yesterday or maybe the day before. In fact its optimizing now. The most time it happens is when im watching a movie through Chromecast but never. had this trouble. Only thing major I downloaded was a lot of live wallpapers. The first time it happened I just thought my phone was updating because I noticed when I did a conference call I now see "manage conference" option, finally.
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