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You have to HTC Desire 620G dual sim phone device ? and in problem like auto turn on internet connection, auto turn on wifi connection, auto apk installing, auto gone balance, hang on logo, restarting, pattern lock, screen lock these problem you can solve using this method without any box just need to some impotent i think it is to be with you which one you can see in requirement tab there to be which need for above type problem solve this method you can use without any box its done from flash tool its also available here, and impotent of must be installed phones driver, you cant flash or upgrade if not installed in your computer or laptop it must be installed and also available in this post, here all are linked that tested and working fine just in one try this method and this is for everyone who new fresher technician or experience technician in android software related, before use remember of must be working well all are required which you can see in this method it below to be mention, different to be error when you try to flash or upgrade first of USB not recognized this error possible when micro USB not working, battery not charged, phone USB socket not working properly so if you fail with this method just write down your comment on below comment box i will soon possible to fix it, first take backup into device if live otherwise dead you cant take backup, this method use when device in dead condition also but must be in software problem in hardware device not be live.

Must read users:
This tutorial tested by me without any error but remember here some impotent question for successfully done with this tutorial, must be working device sub socket, must be working micro usb cable, must be working volume up or down keys for boot device, must be working computer or laptop usb socket, this tutorial you can use without any box its simple.

Required for HTC Desire 620G

• HTC Desire 620G dual Sim with good battery charged, it to be 80% up, and do not try with low battery
• HTC Desire 620G dual Sim tested Stock ROM Firmware | Download Mirror | Mirror
• HTC Desire 620G dual Sim USB (Flashing) Driver | Download here
• HTC Desire 620G dual Sim Flash tool | Download here
• Quality Micro USB Cable
• Computer or Laptop

This flashing method for Gionee Elife S5.1 its very easy to use, you can done without any box just download tested Stock ROM or Flash tool from below link and follow this way, you can use this method when you device in hang on logo, restarting, auto turn on internet connection, auto turn on wifi connection, auto apk installing, auto gone balance, pattern lock, screen lock, This method you can use without any box its done from flash tool its also available here, and impotent of must be installed phones driver, you cant flash or upgrade if not installed in your computer or laptop it must be installed and also available in this post, here all are linked that tested.


Must Read before Following
You have to charge your battery with any charger and charged it by 70%, your data is very important for you so it is good to do a backup of your data it may consist like your contact details,your important messages, your emails or any other important thing which you feel to be the backup in your device. This backup can be done on another device. we have to do the backup because after a format of your device, all your data will be gone and it will not be recovered. For backup in other devices you can use other external device like your hard drive, sd card or any other suitable devices. If you are doing by your own.do it at your own risk as we dont take any responsibility if your device is damaged

About Method 
This method without any box and this is free for all who know about software in mobile, impotent for flashing first must check your micro USB cable if not good then you cant flash it so check micro USB cable second check your device battery that is impotent for flashing if your device battery low so stop your device between flash so this is impotent for flash, before you flash save your data like contact, photos, videos etc because this is factory flash file so you cant save after full flash so must remember all are impotent notes.

Requirement for Gionee Elife S5.1

• Gionee Elife S5.1 device with good battery charged, do not try with low battery otherwise many problem be in device
• Gionee Elife S5.1 tested Stock ROM Firmware | Download here
• Gionee Elife S5.1 tested Flash tool | Download here
• Gionee Elife S5.1 USB Driver | Download here
• Good Quality Micro USB Cable
• Computer or Laptop

When in Oppo Neo 3 R831K to be software related issues then you can use this guide because it is very simple to use and in this no need any box just download flash tool or stock ROM from the below link and you can do, if device in hardware related problem then cant use this guide because dead will be dead, first check in device which shorting or not first remove shorting, you can use this guide when your device in hang on logo, restarting, auto turn on internet connection, auto turn on wifi connection, auto apk installing, auto gone balance, pattern lock, screen lock etc these type and this is for everyone who new fresher technician or experience technician in android software related, before use remember of must be working well all are required which you can see in this method it below to be mention, different to be error when you try to flash or upgrade first of USB not recognized this error possible when micro USB not working, battery not charged, phone USB socket not working properly so if you fail with this method just write down your comment on below comment box i will soon possible to fix it, first take backup into device if live otherwise dead you cant take backup, this method use when device in dead condition also but must be in software problem in hardware device not be live.

If you want to repair your device, you can try to repair it. You have to charge your battery with any charger and charged it by 70%. Your data is very important for you so it is good to do a backup of your data it may consist like your contact details,your important messages, your emails or any other important thing which you feel to be the backup in your device. This backup can be done on another device. we have to do the backup because after a format of your device, all your data will be gone and it will not be recovered. For backup in other devices you can use other external device like your hard drive, sd card or any other suitable devices.
If you are doing by your own.do it at your own risk as we dont take any responsibility if your device is damaged

Required for Flash to Oppo Neo 3 R831K

• Oppo Neo 3 R831K Handset with good battery charged , may be charged up to 90% and do not try with low battery
• Oppo Neo 3 R831K Stock ROM it must be tested means working well | Download here
• Oppo Neo 3 R831K Flash tool | Download here
• Oppo Neo 3 R831K USB (Flashing) Driver | Download here
• Good Quality Micro USB Cable
• Computer or Laptop