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Repair information for the 7" Android tablet by Samsung. Fixing this device is straightforward, and requires only common tools. The Samsung Galaxy Tab is an Android-based tablet computer produced by Samsung. The 7-inch Samsung Galaxy Tab is the first model in the series. It was introduced on September 2, 2010

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Doesn't turn on and says to download custom OS.

One day my Samsung Galaxy Tab 7.0 turned off, and I tried holding down the power and volume buttons. It said it needed to download a custom OS or press down on the volume button for restart. Every time I go to restart it just stays at the "Samsung" screen and when I go to download, it will just stay on the screen of the Android character. It says it's downloading, but it will just stay like that until it turns off. Please help.

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mine is the same, just dont no what to do, there is no help, all because of a stupid update, which i never wish i had done , help needed please

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did you lose everything you had on your phone after you downloaded the custom os?

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Mine did too idk what is happening

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mine too.and it a new phone i got two month back.i just dont know how to tell my dad.

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i havesame problem no so wat should i do to make my samsung grand to be ok

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You want to press VOLUME UP, power and home buttons. Hold until you see Samsung then release. You are booting up in download mode by mistake.

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Thank you so much for your answer, it worked :)

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Won't do anything but if I push volume down the warning comes on. How long do I need to hold it?

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Worked, thanks!

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Omg thanks sooooo much it worked

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I did that but it said no command

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Our phones aren't exactly similar so. What works for the other might not work for you. I have a Samsung Galaxy Tab 2 10.1. Note that what I have is a TABLET, not a phone. According to the Samsung's site Help category,

in order to go to the selection of Resetting (i.e., Wipe cache partition, factory reset, reboot system) I must hold the POWER BUTTON & VOL. UP together.

However, holding them 'caused my device to head onto "Custom Os installation".

I figured out, what if I try holding the vol. down instead of vol. up?

Now, that was when it went to the selection of Resetting.

So, in simpler words: Try changing it up.

What worked for me:

Hold POWER BUTTON + VOL. UP = CUSTOM OS INSTALLATION

Hold POWER BUTTON + VOL. DOWN = ANDROID FACTORY RESET SELECTION

Remind you, this is what worked for my Samsung Tab 2 10.1.

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25 Comments:

I have a Samsung Galaxy Tab 3 but my volume down button is bust

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i have a galaxy tab 3 and none of these have worked..i disconnect the battery for a few minutes then charge battery up to 100% it still wont switch on unless the charger is connected..as soon i unplug it from the charger it goes off then i have to repeat it all again.

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@Betty Swollocks. You need to replace the usb connector module on your Tab 3. It's the part on your phone which receives the input from your charger. From the outside of the phone, you can only see the little mico-USB female input jack. But the phone has to be opened and taken apart. There's an entire charging module at the bottom of the phone which must be replaced. Not sure what it would cost where you are, but it should not be more than $30 for the part, plus add labor charges.

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Well done yasmien019 ! You have to use the opposite volume key....then it allows you the choices needed to wipe the partition. Well done!!!!

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Thank u so much yasmine, u really solved a big issue for me. this error occurred in my samsung s7 edge. it is very new phone and it happend suddenly but now its working according to your way. Thank u so much

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Try holding the power button until it powers down (more than ten seconds). You've booted into download mode. Once powered down, plug it into the charger and leave it alone for a few hours. Then attempt boot. Let me know what happens.

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18 Comments:

My Samsung i997 infuse 4

Here's a problem I help me please.

Warning!

A custom OS can cause critical problem in phone and installed applications.

If you want to download a custom OS, press the volume up key.

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It's volume up, not down. Volume down is for installing custom roms. Hold volume up, home, and power.

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What's d solution for d question above?

I use galaxy tab 2.10.1 n hv same custom os issue n it restarts n stays on d Samsung screen until power drains n same continues evn after again restating it.

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Mine does the same. It is a galaxy Note 10.1. Took it to our "Gadget Tech" guy and he couldn't even fix it. Tried to restart the operating system, but no go. It must be a really bad problem with Galaxys.

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i have samsung galaxy s duos . and i am also stuck on downloading process. i wanted to know that what exactly is downloading

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Hold the power button + volume button down + home button all at the same time

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Thank you very much. I searched for hours for this answer. You're the Best!

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Volume down t or d volume up key when I press power I always get always goes to the customer s I can't get anything yet what should I do I don't know how to do with custom OSq

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if you held home volume up and power and it said download custom os then shut it off again and hold volume down home and power

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I think it's that the volume buttons are different on this tablet

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THIS IS THE SOLUTION! WOW Thanks you so much! I felt myself really bad because I got those options below. But this Volume Down haha worked! thanks!

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I did that but it still had me download it, but now my galaxy note 5 has been stuck on the downloading screen for 12 hours straight and I need to know how to fix this

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I have a Galaxy Samsung Tab E it was doing that thing with OS download. Can anyone tell me8 how long the download takes? Thanks

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need help. Got os warning took out battery put back in. Will not turn on

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remove the battery this will reset your phone

i hope this help you out.

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3 Comments:

Will this delete everythig though??

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@TripleABateries It shouldn't. My USB port died months ago but I have 2 Samsung batteries for my phone so I've been getting by having 1 battery charging in a battery charger plugged into the wall while I have the other in my phone. When the phone is close to dying I turn it off and put the charged battery in. Never lose anything, phone doesn't notice. (I'm using a Samsung Galaxy Express Prime 3)

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I need to hard reset my Samsung Galaxy Tablet A 10.1 but the touchscreen does not function so how do I perform a hard reset?'

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on my note 4 this happened when in recovery mode i selected reboot to bootloader, to fix i went back into recovery mode and selected reboot system now instead, worked fine

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I tried rebooting but my droid says NO COMMAND. I can't do anything to my galaxy s4 its stuck on the globe when restarting and stays like that. so when downloading the OS do I need my sims card in it to get internet?

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it's possible the internal NAND is corrupted, in which case downloading a new OS onto it won't fix it, nothing will short of a logic board replacement

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i have a galaxy grand neo plus. i tried installing a system update, the update installs up 96% and it just writes error and reboots and jams at the same stage of installation. what should i do. im stranded.

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Open the tablet up and disconnect the power cell for a few minutes. I was also suck on the downloading screen and after I hooked the power cell back up it started as usual with no problem.. hope it works for you as well!

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Try this it worked for me. Take the back off of the phone so you can remove the battery. Start the phone. When the window comes up to download the OS app. Push the volume up key to start the download. Let run for 10 seconds then remove the battery and keep it out for a minimum of one minute. Put battery back in. Before reassembling the phone. Start it up. It should come on and not be in safe mode. May have to try again. This worked for me. PS. If you shut down. You will have to do this again.

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Thanks for the post it worked

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Its not changing

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What about with a galaxy note 10.1 tablet it's different and I need help

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It requires internet to download operating system

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In my Samsung Galaxy s4 mini, a custom os window appears but not restarting

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In some Samsung Galaxy models have the options to enter the recovery mode modified. In my case instead of being volume down + home button + button on, it's volume up + home button + button on. I saw that some license companies modify it to be vol down + vol up + home button + button on, and sometimes without the home button. All possible attempts must be made until the correct one is given.

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I had that problem but trust me just go in recovery mode, wipe all data and then when you see screen that says download custom OS you have to do it , when it show downloading custom OS then plug charger and leave your tablet over night on charger. I did this and when I woke up my tablet worked well

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I have also problem On my Samsung Galaxy Tab 3V. I try everything you say, But Its say No comand, i cant even take out my batery. Because the Tab, is fix with his batery... plss help...

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my phone doesn’t charge anymore.i tried pressing the volume button the restarting button and the menu button but it still did not work

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watch this video it works with me i tried it and it works .

https://www.youtube.com/watch?v=YBxOV1s7...

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My phone problem is first i opened Lucky patcher app next i moved theird party launcher to system app and i removed all aids from that launcher again i assigned the launcher always . Then

My phone doesn't work those all steps after hard reset when i reboot it says error it works those all steps properly but doesn't reboot even it not work with new OS it say fail

It doesn't show green light at top again not chargng stack on it

Open without saying next sumsung logo and stays on black screen i soo frustrated

Pls help

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watch this video it works with me i tried it and it works .

https://www.youtube.com/watch?v=YBxOV1s7...

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I have a Samsung/Andriod model SM-5327VL and it shutdown on me. It flashes the charger sign and then next is a black blank screen. When i unplug the charger cord it goes blank. How do i fix this. E-mail robert.c.tip@ gmail.com

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I have a samsung sm t377a its an att tablet I was trying to upgrade firmware n getting wifi to work I was using odin 3 when in doing so i accidentlly had nanderase Ticked n now my tablet wont work my question is how do I get nand back on tablet for it to work help help help

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You have to hold volume up or down and the power button

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this has just happened to me. Can anyone tell me that if i press vol up for continue so it downloads a custom os - does it lose all photos etc?

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My phone isn't responding to any combination that I try. It's like it's frozen on downloading. What can I do?

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i pressed volume down and home and now my device isnt turning on

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