yashsingh1/xdaforums huggingface dataset:
[Galaxy S 4 Mini Q&A, Help & Troubleshooting] yaqwsx:cz:
Hello,

my Samsung Galaxy S4 mini with bliss ROM stated to turn off spontaneously and sometimes it didn't start again (the Samsung logo appeared and then the phone went dead, it was impossible to enter recovery mode, download mode shut down itself immediately). After several tries, it booted normally. This happened again - and I found out it was a bad power button, which I replaced. Now it is possible to enter both recovery mode and download mode with no problems. However the main OS doesn't boot up. So I tried to do a full wipe in recovery mode and CWM recovery rebooted the phone, when it was trying to format /data partition. So I tried to flash stock firmware with ODIN. It also didn't boot up, but at least the stock recovery gave me a hint what is wrong. When I perform full wipe, I get error: "E:format_volume: make_extf4fs failed on /dev/block/platform/msm_sdcc.1/by-name/userdata"

I tried to flash the phone again, this time with a PIT file and let ODIN to reformat the partitions. However, no change. How can I fix it?
[Galaxy S 4 Mini Q&A, Help & Troubleshooting] erkin98:
Try twrp
[Xperia Z Q&A, Help & Troubleshooting] N.Y.Gazz:
Hello everyone .?

Here is a link of 6.0.1 for locked boot loader.

http://redstar154.blogspot.fr/2016/01/cm13.0-for-xperia-z.html?m=1

Envoyé de mon C6603 en utilisant Tapatalk
[Xperia Z Q&A, Help & Troubleshooting] Simon G:
What is this for a Question. Open your Eyes and Read here overall. You can Answer yourself.

Gesendet von meinem C6603 mit Tapatalk
[Xperia Z Q&A, Help & Troubleshooting] N.Y.Gazz:
Thank you for this nice response. thank you very much. That opened my eyes. You are really the best. I'm not your brother or buddy so keep your calm in your answer. Which for me, has served strictly nothing. You are the best and you really want to ask questions about xda. idiot .[emoji8]

Envoyé de mon C6603 en utilisant Tapatalk
[Xperia Z Q&A, Help & Troubleshooting] de_la_vega_66:
http://xdaforums.com/xperia-z/orig-development/rom-cyanogenmod-14-0-xperia-z-t3463762 hell yeah .. ;)

or

http://xdaforums.com/xperia-z/development/rom-stryflex2013266073-marshmallow-v1-0-t3496814
[Xperia Z Q&A, Help & Troubleshooting] N.Y.Gazz:
thank you very much[emoji6] . Here is a true answer. I saw this but it is for boot loader unlock ... for locked boot loader marshmallow will it be possible?

Envoyé de mon C6603 en utilisant Tapatalk
[Xperia Z Q&A, Help & Troubleshooting] Zerikwan:
no,

because the last official build of xz is lollipop
[Xperia Z Q&A, Help & Troubleshooting] N.Y.Gazz:
Ok Thank you, you answer my request [emoji6] . I thank you for your time. You are not a "stupid" person who speaks for nothing as ( [MENTION=6923575]Simon G[/MENTION] [emoji30] ).

It remains good people on xda, fortunately

thank you very much

Envoyé de mon C6603 en utilisant Tapatalk
[Xperia Z Q&A, Help & Troubleshooting] N.Y.Gazz:
http://redstar154.blogspot.fr/2016/01/cm13.0-for-xperia-z.html?m=1

Do you think this is correct for Xperia z c6603 boot loader locked?

EnvoyÃ© de mon C6603 en utilisant Tapatalk
[Xperia Z Q&A, Help & Troubleshooting] N.Y.Gazz:
??yes it work fine ...View attachment 3945276View attachment 3945277View attachment 3945278

Whit a boot loader locked. I Ave root and recovery. Yep

Envoyé de mon Xperia Z en utilisant Tapatalk
[Xperia Z Q&A, Help & Troubleshooting] de_la_vega_66:
Yes, it's for locked bootlader.. But the links above are for Unlocked bootladers.
[Xperia Z Q&A, Help & Troubleshooting] N.Y.Gazz:
I used this link to install the rom on my xperia locked. And so it works.

Envoyé de mon Xperia Z en utilisant Tapatalk
[Xperia Z Q&A, Help & Troubleshooting] N.Y.Gazz:
What xposed version then i download for that rom?

xperia z lbl CM13 ðŸ˜‰
[Xperia Z Q&A, Help & Troubleshooting] de_la_vega_66:
http://xdaforums.com/showthread.php?t=3034811&page=4
[Xperia Z Q&A, Help & Troubleshooting] N.Y.Gazz:
I do not understand anything inside ...

Envoyé de mon Xperia Z en utilisant Tapatalk
[Xperia Z Q&A, Help & Troubleshooting] N.Y.Gazz:
Thanks a lot my friend. It work fine

Envoyé de mon Xperia Z en utilisant Tapatalk
[LG K10 Guides, News, & Discussion] cpatrick3000:
This method is only for devices with MTK chipset. CONFIRMED WORKING ON K430T, K430DSY and K430dsE

It is based on the gottlasz method published in: http://xdaforums.com/lg-k10/how-to/twrp-root-lg-k8-k350n-t3475807"

Required files:

- Carliv Image Kitchen (search in google)

- SuperSU 2.65 available in: http://downloadmirror.co/L2/BETA-SuperSU-v2.65.zip

- TWRP ported by berkantkz at: http://xdaforums.com/lg-k10/development/teamwinrecoveryproject-3-0-0-0-lg-k10-t3404434

- Time and patience (a lot of patience)

Steps:

1. Enable developer options on the lg K10

2. Enable OEM unlocking and USB debugging

3. Copy twrp.img to disk C: /

3. Go to C: / and open command window. Enter: adb reboot bootloader (phone will start in fastboot mode)

4. Once in the fastboot mode enter the command: fastboot boot twrp.img

5. Once inside TWRP press cancel and then slide to allow modifications.

6. Mount System, data and sdcard.

7. Make BOOT-only backup (uncheck all other partitions)

8. Mount MTP

9. Copy BOOT backup from TWRP folder in our SD card (Boot.emmc.win) and rename bootlz4.img

10. Copy to Boot-resources of CARLIV IMAGE KITCHEN

11. Decompress with Carliv

12. Open bootlz4 folder and find the file "boot.img-ramdisk-compress".

13. Edit "boot.img-ramdisk-compress" with notepad ++ and change "lz4" to "gz"

14. Save

15. Recompress bootlz4.img

16. Go to output folder and look for bootlz4xxxxx.img and rename it as bootgz.img

17. Go to TWRP and restart in bootloader mode

18. Write in command window: fastboot flash boot bootgz.img

18. Then write in command window: fastboot boot twrp.img to return to TWRP

19. Install superSU 2.65

20. Backup BOOT (boot partition only)

21. Copy BOOT backup again (Boot.emmc.win) and rename it to bootgzroot.img

22. Copy to Boot-resources of CARLIV IMAGE KITCHEN

23. Unzip with Carliv

24. Open bootgzroot folder and find the file "boot.img-ramdisk-compress".

25. Edit "boot.img-ramdisk-compress" with notepad ++ and change "gz" to "lz4"

26. Save

27. Recompress bootgzroot.img

28. Go to folder output and rename "bootgzrootxxx.img" to "bootlz4root.img"

29. Copy "bootlz4root.img" to disk C: /

30. Copy bootlz4.img from boot-resources folder into C:/ too

31. Go to TWRP and reboot into bootloader

32. Write in command prompt fastboot flash boot bootlz4.img (this is to avoid bootloops)

33. Write in command window fastboot boot bootlz4root.img (there will be a bootloop and then boot normally)

34. Write in command window adb reboot bootloader

35. Write in command window fastboot boot bootlz4root.img, after boot write in command window adb reboot bootloader (fast because the phone will reboot after some seconds)

36. Write in command window fastboot flash boot bootlz4root.img

37. Start normally.

Ready, you have ROOT!

I am not responsible for any damage caused to your phone, your grandma or your hamster. Cheers!
[LG K10 Guides, News, & Discussion] MarkiinBRz:
waiting for ramdump

sorry for my English. I tried to follow the tutorial, however the Get on the (4. Once in fastboot mode enter the command: fastboot boot twrp.img) The Reset one cell features a Next Message: waiting for ramdump. Is there something I can do to get rid of it? thanks for the help in MTK :)
[LG K10 Guides, News, & Discussion] cpatrick3000:
Mmm remove battery and try to turn on again. If It doesnt works reflash stock kdz and before doing the root use adb reboot bootloader and then fastboot oem unlock ;)
[LG K10 Guides, News, & Discussion] 123xdagsm:
my phone is lg k10 430dsy mtk

I had the same problem

after flash twrp.img

show message: waiting for ramdump

---------- Post added at 08:43 AM ---------- Previous post was at 08:33 AM ----------

remove battery and switch on phone work device without problem

but not work recovery twrp on the 430dsy.

fastboot boot twrp.img in the terminal show message success but show error message: waiting for ramdump in the device

#sorry for my bad english
[LG K10 Guides, News, & Discussion] 123xdagsm:
i got unlocked fastboot

I goto fastboot this command

then flash twrp

but show this error waiting for ramdump in the device

i waiting 30 min but nothing happened

please view Attached image
[LG K10 Guides, News, & Discussion] wizzardsk:
Hi, can you tell us, what is the difference between gottlasz' method and your method? I guess you added a few final flashing and booting steps.
[LG K10 Guides, News, & Discussion] MarkiinBRz:
This error persists after the fourth step same, I think it must be the twrp or something is passing unperceived. Anyway I'll try another way.
[LG K10 Guides, News, & Discussion] gottlasz:
I believe this ramdump thing is TWRP related. There is a 3.0.2 TWRP on berkantkz TWRP thread so the ones who get this error could also try that other one.
[LG K10 Guides, News, & Discussion] wizzardsk:
Where is that twrp 3.0.2?
[LG K10 Guides, News, & Discussion] gottlasz:
there

http://xdaforums.com/showpost.php?p=69381986&postcount=126
[LG K10 Guides, News, & Discussion] wizzardsk:
I still have those bootloop... When I flash with fastboot, the device freezes. When I flashed in TWRP, I got bootloop after restart...
[LG K10 Guides, News, & Discussion] gottlasz:
I believe you need a fresh start... lg up or lg flashtool and full firmware reintall. Lg bridge and hard reset is not enough.

Of course it's just guessing so don't take it for granted.

---------- Post added at 06:46 PM ---------- Previous post was at 06:14 PM ----------

[MENTION=7724768]cpatrick3000[/MENTION], did you manage to make it work after any unsuccesful or succesful attempts on root? I mean if you were rooted before but lost it and you had to make a hard reset or you used lg bridge update error recovery? Or your k10 was fully stock when you rooted it this way, no earlier attempts on root?
[LG K10 Guides, News, & Discussion] cpatrick3000:
Hi. The difference is that I found a way to "force" boot of k10. If i don't do these final steps the phone stays on black screen after device corrupt warning (red triangle)
[LG K10 Guides, News, & Discussion] wizzardsk:
I tried "fastboot flash boot bootlz4.img" and then my phone just freezed. After removing battery I just had something like bootloop. Device corrupt warning, then blank screen. I guess you had not these problems.
[LG K10 Guides, News, & Discussion] cpatrick3000:
Mmmm thats strange. I think u better flash kdz (ill check my method again)
[LG K10 Guides, News, & Discussion] wizzardsk:
Okay, which kdz do you mean?
[LG K10 Guides, News, & Discussion] cpatrick3000:
You hace to put your phone into download mode and restore by lg bridge. Here in the forums there's a tutorial. Btw always be sure that u can go back to normal before doing root related stuff (there's always bricking risk)
[LG K10 Guides, News, & Discussion] wizzardsk:
I see. I have no prob going back, thx for your care. I even do not loose my data after restore in lg bridge.
[LG K10 Guides, News, & Discussion] cpatrick3000:
Np dude, i was trying to root like during a month, finally i used this method and works always for me (last night i rooted and works fine) hope u find a way to root! :)
[LG K10 Guides, News, & Discussion] gottlasz:
You only used lg bridge to recover after root attempts or you tried lg up or lg flashtool?
[LG K10 Guides, News, & Discussion] cpatrick3000:
I used lgup (bridge didnt worked for my model k430T)

The lgup dll is inside of kdz (use lg kdz extractor)

U have to put it in the common folder and rename into lgcommon o some (like the dll in the folder) ;)
[LG K10 Guides, News, & Discussion] gottlasz:
Okay, i think [MENTION=5396203]wizzardsk[/MENTION] should also use lg up. Lg bridge is not reflashing the whole firmware, is it? We will see.
[LG K10 Guides, News, & Discussion] 123xdagsm:
Thanks

I flash twrp 3.02 but don't work and show error ramdump

None of the twrp does not work on the 430dsy
[LG K10 Guides, News, & Discussion] gottlasz:
Well, it seems 430dsy is using a different boot/recovery image. If you feel like playing with this a little more there is a way to port a TWRP for yourself:

http://www.chinaphonearena.com/foru...752-MT6753-MT6795-MT6797-TWRP-MT67xx-tutorial

you will need the kdz for you device with lg firmware extractor you have to take your stock recovery image.

The kdz is not easy to get however:

http://xdaforums.com/showthread.php?t=2395323 when you read this thread you will see that it sais lg mobile support tool but i think instead of mobile support tool lg bridge is also downloading the firmware in some hidden folder. Try to find that folder and the file. (quite surprisingly i used lg mobile support tool - gave it my imei and it worked until the download of the kdz finished - after that it gave me error but i could get the kdz as renaming or moving it another folder right after it downloaded. Watch out cos there is a very short time and it disappears - it took 5-6 attempts until i was lucky)

I think you can use that twrp 3.0.2 from the earlier comment as the one to port.
[LG K10 Guides, News, & Discussion] ItzTropic:
Nice this direction are better than the other one :D

There's a method for Qualcomm device with lz4?

(Lg ms428 I know that I'm not in the correct topic but I want some answers from u devs :D
[LG K10 Guides, News, & Discussion] wizzardsk:
I also tried 3 versions of lg up, none of them worked. One did not find the phone at all, another found it as unsupported device...
[LG K10 Guides, News, & Discussion] berkantkz:
Man, all is okay but why you didn't ask me before mirroring my stuff? You could ask me, or you could paste the direct link from my thread to download :confused:
[LG K10 Guides, News, & Discussion] 123xdagsm:
Thanks I downloaded kdz and extra recovery

Where should I download raw twrp for port ?

please give me link raw twrp?
[LG K10 Guides, News, & Discussion] gottlasz:
So you have to extract the stock recovery from the kdz file and you should try to use Berkantkz's or Singular777's TWRP for port.
[LG K10 Guides, News, & Discussion] kappu:
Help my K430dsy Boot loop how to recover ?
[LG K10 Guides, News, & Discussion] cpatrick3000:
Edited!! :)
[LG K10 Guides, News, & Discussion] pcinfoman:
Thank you for the step by step instructions. I am having an issue. Maybe somebody can help me out?

I get to step 3, where it says " type adb reboot bootloader (phone will start in fastboot mode)".

When I execute that command, I get "Error: device offline".

I went to my Windows 10 control panel and then to "Device Manager" too see if adb was even installed. There is a line in there that says:

LGE Mobile ADB Interface and there was no error next to it.

Ideas?
[LG K10 Guides, News, & Discussion] mohsen.si021:
my phone is rooted

thank you men now you're my hero my phone is successfully rooted ;) :) (sorry for my bad english)
[LG K10 Guides, News, & Discussion] cpatrick3000:
in my case i had to manually edit drivers and set it into "generic" fastboot usb driver (so ypur phone goes into fastboot but ur pc doesnt recognize right?) U have to do the generic drivers step and it will work. U have to do it for each usb port. Look in google ;) hope it helps
[LG K10 Guides, News, & Discussion] cpatrick3000:
Nice dude! :D (fix screenshot links pls, can't see)
[LG K10 Guides, News, & Discussion] pcinfoman:
Thank you for the advice, but this seems to be way past my technology skill. If there was a step by step guide, I could follow it.
[LG K10 Guides, News, & Discussion] :
Hi all,

I want to root LG K430dsE. This guide gives me possibility to get root permanently?

Regards.

a_lewicki
[LG K10 Guides, News, & Discussion] rasdzz:
21. Copy BOOT backup again (Boot.emmc.win) and rename it to bootgzroot.bin

¿why not ".img"?

and i have problems whit loopboot, i'm going to flash :rolleyes:
[LG K10 Guides, News, & Discussion] cpatrick3000:
oops, my mistake, gonna fix it now :c
[LG K10 Guides, News, & Discussion] alexmd182:
Someone test in K430DSF? This method will erase my data? I need the root, Please.

Algum brasileiro poderia me ajudar ?
[LG K10 Guides, News, & Discussion] gottlasz:
Unlocking your bootloader will erase data so unless you unlocked it already, yes it will erase data. Anyways if you can get to fastboot then probably the method works. You can try the TWRPs already ported but maybe you'll have to port it for your model.
[LG K10 Guides, News, & Discussion] ArcherEmiya:
Great another rooting method for LG k430dsy MTK I guess. But could you make some video tutorial on how to do what exactly you did in order to root ur K10. Probably it would be better and more accurate method to root it. Can you give us some screenshot or .img file. I'll tried all the previous method including gotlazz method but none of them work. I would like to try also ur ways of rooting.

Sorry if its kinda demanding but we deeply appreciate everyone here.

Thank you and advance merry x mass.

:good::good::good::good:

---------- Post added at 05:04 PM ---------- Previous post was at 04:59 PM ----------

Regarding of what mr. gotlazz said, is it tru that lg bridge doesnt deeply refurbish the phone that is why it would be better to use lg up? Again I would like to see some of ur photos that your k 10 is completely rooted.

Thanks for response.

:good::good::good:
[LG K10 Guides, News, & Discussion] ArcherEmiya:
guys i dont want to say this but fvck men its working unbelievable................. A master piece when he says to avoid boot loop you need to flash the orig lz4 I trust him.

I will post this on any site I know even in our group page here in PH. Thanks bro now I will follow you and give thanks on any of your threads.

Kudos.

:good:
[LG K10 Guides, News, & Discussion] cpatrick3000:
Nice dude!!
[LG K10 Guides, News, & Discussion] cpatrick3000:
I'll post some screens later! I think lg up works just great and always refurbished my Phone :)
[LG K10 Guides, News, & Discussion] ArcherEmiya:
Yup for them. Anyway bro does Xposed Installer or Xposed Modules and framework is applicable to our LG K10 MTK variant it says it "Xposed is not (yet) compatible with Android SDK version 23 or your processor architecture (armeabi-7va)"

Any tips bro in order to use xposed?
[LG K10 Guides, News, & Discussion] ArcherEmiya:
Here's my LG K10 :p:p:p:p:silly::silly::silly::silly::silly::laugh::laugh::laugh::laugh::victory::victory::victory::victory::victory::eek::eek::eek::eek::D:D:D:D:D:o:o:o:o:o
[LG K10 Guides, News, & Discussion] ArcherEmiya:
I would like to give others some advice regarding command prompt example: when you are about to put a command like fastboot flash boot (name of a file) drag your file and put it in cmd instead of typing the name of file manually. This will give you an accurate result. Anyways advance Merry x Mass to all of you. LG K10 K430dsy MTK variant successful root.
[LG K10 Guides, News, & Discussion] cpatrick3000:
I hace the working flashable zips. I don't remember from where i got them so talk to me in private and i give you the link ;)
[LG K10 Guides, News, & Discussion] IagoSilva:
Does it work on the LG K430dsF LG K430TV (LG K10) chipset MediaTek ????
[LG K10 Guides, News, & Discussion] ArcherEmiya:
It should work. :good:
[LG K10 Guides, News, & Discussion] Felipeferrarini1997:
Someone got rooted any lg k10 430tv with this metod?
[LG K10 Guides, News, & Discussion] ArcherEmiya:
Backread and you will see my attached photos of my lg k10 rooted
[LG K10 Guides, News, & Discussion] C0nvert-R:
K430dsE - it works!

Hello,

This rooting method is working for me, thank you so much! :)

After root you can flash stuff like ViPER, but remember - you're not installing TWRP, you are just booting it from image!

Oh, and OP - thanks for adding K430dsE model to working list. :D
[LG K10 Guides, News, & Discussion] cpatrick3000:
wow! Nice! :d
[LG K10 Guides, News, & Discussion] wizzardsk:
No "device corrupt" message?
[LG K10 Guides, News, & Discussion] remosam:
would this work on k8 model k350n? I'm asking maybe someone tried and can give me a feedback
[LG K10 Guides, News, & Discussion] Zero3009:
Hello!

This is compatible with SuHide?
[LG K10 Guides, News, & Discussion] BrianIbrahims:
Please give me the specific instructions to root my LG K430DSY (MTK) . I'm in dire need of root and i cannot see any well explained instructions. I
[LG K10 Guides, News, & Discussion] C0nvert-R:
Uhm, I think it's normal for this model. Unfortunately.
[LG K10 Guides, News, & Discussion] painsvitor:
I ADDED LINE 16.1 THAT WAS MISSING, I HOPE I HAVE HELPED SOME,THANKS FOR THAT WORK FOR MY **LG K10 TV**

1. Enable developer options on the lg K10

2. Enable OEM unlocking and USB debugging

3. Copy twrp.img to disk C: /

3. Go to C: / and open command window. Enter: adb reboot bootloader (phone will start in fastboot mode)

4. Once in the fastboot mode enter the command: fastboot boot twrp.img

5. Once inside TWRP press cancel and then slide to allow modifications.

6. Mount System, data and sdcard.

7. Make BOOT-only backup (uncheck all other partitions)

8. Mount MTP

9. Copy BOOT backup from TWRP folder in our SD card (Boot.emmc.win) and rename bootlz4.img

10. Copy to Boot-resources of CARLIV IMAGE KITCHEN

11. Decompress with Carliv

12. Open bootlz4 folder and find the file "boot.img-ramdisk-compress".

13. Edit "boot.img-ramdisk-compress" with notepad ++ and change "lz4" to "gz"

14. Save

15. Recompress bootlz4.img

16. Go to output folder and look for bootlz4xxxxx.img and rename it as bootgz.img

16.1. Copy bootgz.img from output folder into C:/ too

17. Go to TWRP and restart in bootloader mode

18. Write in command window: fastboot flash boot bootgz.img

18. Then write in command window: fastboot boot twrp.img to return to TWRP

19. Install superSU 2.65

20. Backup BOOT (boot partition only)

21. Copy BOOT backup again (Boot.emmc.win) and rename it to bootgzroot.img

22. Copy to Boot-resources of CARLIV IMAGE KITCHEN

23. Unzip with Carliv

24. Open bootgzroot folder and find the file "boot.img-ramdisk-compress".

25. Edit "boot.img-ramdisk-compress" with notepad ++ and change "gz" to "lz4"

26. Save

27. Recompress bootgzroot.img

28. Go to folder output and rename "bootgzrootxxx.img" to "bootlz4root.img"

29. Copy "bootlz4root.img" to disk C: /

30. Copy bootlz4.img from boot-resources folder into C:/ too

31. Go to TWRP and reboot into bootloader

32. Write in command prompt fastboot flash boot bootlz4.img (this is to avoid bootloops)

33. Write in command window fastboot boot bootlz4root.img (there will be a bootloop and then boot normally)

34. Write in command window adb reboot bootloader

35. Write in command window fastboot boot bootlz4root.img, after boot write in command window adb reboot bootloader (fast because the phone will reboot after some seconds)

36. Write in command window fastboot flash boot bootlz4root.img

37. Start normally.

---------- Post added at 11:49 PM ---------- Previous post was at 11:26 PM ----------

This work for my, but when I try reset(Hard Reset) my phone get a loop, show the message off corrupted files... and shutdown so i have to use lg bridge
[LG K10 Guides, News, & Discussion] TopMugen:
Sorry for my ignorance haha but I do not know if my cell phone is an MTK variant.

Is a LG K430ar with android 6.0 :) :)

Capture my CPU

https://fotos.subefotos.com/805cc0007f2bb5b05d1145c4251b6239o.jpg
[LG K10 Guides, News, & Discussion] Professor Woland:
Download app "AIDA 64" then open cpu section, there you will have socket info.
[LG K10 Guides, News, & Discussion] Clauditn:
Hello, I am new here and I want to know if this method is valid for a LG K430T with Android 6.0.

Thanks
[LG K10 Guides, News, & Discussion] Clauditn:
I performed all the steps rigth, but when I performed the step 36 and then 37, the phone reboot but stay in a black screen.

34. Write in command window adb reboot bootloader "OK"

35. Write in command window fastboot boot bootlz4root.img, after boot write in command window adb reboot bootloader (fast because the phone will reboot after some seconds) "OK"

36. Write in command window fastboot flash boot bootlz4root.img "OK"

37. Start normally. "The phone reboot, shows the red triangle screen, and then stay off"

Anybody can help me please?