Redmi 9 prime switch off automatically issue

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Wingman
asli_shashikant
I have 1 year old redmi 9 prime phone. Suddenly from last 2-4 months phone gets switch off Automatically.  In a day get switch on switch off multiple times. I mean it just boot and immediately switch off.  While using phone get phone locked and have to use finger print or password to open phone. I'd any one has this issue?
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Deal Subedar Deal Subedar
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Seems Power button is faulty or pressed by cover or whatever.  

On single press, mobile screen goes off. If power button keeps pressed for few seconds, it reboot. 

Wingman Wingman
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shivrajsingh wrote:

Seems Power button is faulty or pressed by cover or whatever.  

On single press, mobile screen goes off. If power button keeps pressed for few seconds, it reboot. 

All off sudden how the power button issue arrived? Used 1 yr without that issue
Deal Subedar Deal Subedar
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asli_shashikant wrote:
All off sudden how the power button issue arrived? Used 1 yr without that issue

If mobile is switching off completely then its battery /motherboard issue. If its rebooting, then its Power button issue. Get it repaired.  Should not cost much.

Wingman Wingman
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shivrajsingh wrote:

If mobile is switching off completely then its battery /motherboard issue. If its rebooting, then its Power button issue. Get it repaired.  Should not cost much.

It just reboot but not completely work. All of sudden it is in state of boot and immediately gets off.
Super Stud Super Stud
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U Did Not Mention About Battery Sudden Drop, Hence Mother Board Issue, U Still Have Warranty Covered.... Go To the Service Centre

Wingman Wingman
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UnderNation wrote:

U Did Not Mention About Battery Sudden Drop, Hence Mother Board Issue, U Still Have Warranty Covered.... Go To the Service Centre

Battery backup is upto good.
Super Stud Super Stud
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asli_shashikant wrote:
Battery backup is upto good.

Before Going To Service Centre Backup All The Data... Mother Board Will Be Replace , They Won't Repair It Even For Minor Fault...

Wingman Wingman
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UnderNation wrote:

Before Going To Service Centre Backup All The Data... Mother Board Will Be Replace , They Won't Repair It Even For Minor Fault...

Phone not in warranty. So not wise to repair.
Deal Subedar Deal Subedar
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Multiple hardware issue can create thjs problem. Does your phone reboot abruptly without showing phone is switching off logo. Random restart can be due to also faulty battery. Keep your phone in charging & notice if the gets restart or not, if it does not restart then defiantly battery problem. Furthermore power button,  faulty power IC, CPU emmc dry soldering can also be the reason for the restart.

Deal Subedar Deal Subedar
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asli_shashikant wrote:
Battery backup is upto good.

Getting battery backup does mean internal components of battery management board is good. Battery has own circuit which monitor charging, discharging, prevent from short circuit.

Wingman Wingman
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Mufasa wrote:

Multiple hardware issue can create thjs problem. Does your phone reboot abruptly without showing phone is switching off logo. Random restart can be due to also faulty battery. Keep your phone in charging & notice if the gets restart or not, if it does not restart then defiantly battery problem. Furthermore power button,  faulty power IC, CPU emmc dry soldering can also be the reason for the restart.

Only rare cases it restart when on charging. It restart any time also other than battery charging of phone. Phone shows switch off restart etc 3-4 logos automatically like if we pressed an power button. I don't know what is exactly an reason
Wingman Wingman
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UnderNation wrote:

Before Going To Service Centre Backup All The Data... Mother Board Will Be Replace , They Won't Repair It Even For Minor Fault...

What would be cost of mother board? And should I try for factory reset ?
Super Stud Super Stud
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asli_shashikant wrote:
What would be cost of mother board? And should I try for factory reset ?

https://www.mi.com/in/service/spareparts...e/


If Battery Problem Also Phone Sudden Switch Off And On.


Battery :: 699+Gst + Service Charge + Gst


Board 4+64, 4+128 :: 4299/4999+Gst + Service Charge+Gst

Edit :: If U Install Apk Files Out Side Of PlayStore U May Reset Phone. Xioami Phones Has Inbuilt Security, If It Really Board Or Battery Fault, During Reset Phone May Go Off And All Software Will Be Corrupted

Wingman Wingman
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UnderNation wrote:

https://www.mi.com/in/service/spareparts...e/


If Battery Problem Also Phone Sudden Switch Off And On.


Battery :: 699+Gst + Service Charge + Gst


Board 4+64, 4+128 :: 4299/4999+Gst + Service Charge+Gst

Edit :: If U Install Apk Files Out Side Of PlayStore U May Reset Phone. Xioami Phones Has Inbuilt Security, If It Really Board Or Battery Fault, During Reset Phone May Go Off And All Software Will Be Corrupted

sleepy factory reset also may not work
Wingman Wingman
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UnderNation wrote:

https://www.mi.com/in/service/spareparts...e/


If Battery Problem Also Phone Sudden Switch Off And On.


Battery :: 699+Gst + Service Charge + Gst


Board 4+64, 4+128 :: 4299/4999+Gst + Service Charge+Gst

Edit :: If U Install Apk Files Out Side Of PlayStore U May Reset Phone. Xioami Phones Has Inbuilt Security, If It Really Board Or Battery Fault, During Reset Phone May Go Off And All Software Will Be Corrupted

Should I go to see if battey problem? In service center?
Super Stud Super Stud
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asli_shashikant wrote:
Should I go to see if battey problem? In service center?

Service Centres Will Tell U In Less Than A Minute , If It Is A Board Problem Or Battery Problem By Opening Panel.

Wingman Wingman
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UnderNation wrote:

Service Centres Will Tell U In Less Than A Minute , If It Is A Board Problem Or Battery Problem By Opening Panel.

Ok great. I think they will change battery or just fixed a problem of battery if anything is issue.
Wingman Wingman
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UnderNation wrote:

Service Centres Will Tell U In Less Than A Minute , If It Is A Board Problem Or Battery Problem By Opening Panel.

Called to cc they said download latest update of miui from download latest package in setting. Since u have old update in phone. And then for 2-3 days how it is works.
Generous Generous
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just go to service centre and ask for diagnostic test for 118 rupees they will tell you possible problems. Spend a little if phone is precious 

Wingman Wingman
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Went to service center its fpc issue. Site button of switch off. But not available as of now in store
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