Hovatek Forum MOBILE Android [Please help] Problems after firmware upgrade in Lenovo S850
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[Please help] Problems after firmware upgrade in Lenovo S850

[Please help] Problems after firmware upgrade in Lenovo S850

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Khatiwada
Khatiwada
Khatiwada
Junior Member
36
28-09-2017, 06:37 PM
#11



Whenever I coonect switched off phone after pressing start button, It shows
>>none usbport, maybe driver not installed
This post was last modified: 28-09-2017, 06:45 PM by Khatiwada.
hovatek
hovatek
hovatek
Administrator
49,570
28-09-2017, 07:37 PM
#12
(28-09-2017, 06:37 PM)Khatiwada Whenever I coonect switched off phone after pressing start button, It shows
>>none usbport, maybe driver not installed

Uninstall all MTK drivers on your PC using USB deview @ https://www.hovatek.com/forum/thread-7660.html then reinstall using https://www.hovatek.com/forum/thread-440.html

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Khatiwada
Khatiwada
Khatiwada
Junior Member
36
29-09-2017, 01:49 AM
#13
In fact I'm here. So I need step by step guide please.
[Image: 912db0abb48f009f97b8b3129f7a17f4.jpg]
This post was last modified: 29-09-2017, 05:21 AM by Khatiwada.
hovatek
hovatek
hovatek
Administrator
49,570
29-09-2017, 10:27 AM
#14
(29-09-2017, 01:49 AM)Khatiwada In fact I'm here. So I need step by step guide please.

This is recovery mode. You're not supposed to be there. You're supposed to be using Miracle Box

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Khatiwada
Khatiwada
Khatiwada
Junior Member
36
29-09-2017, 10:29 AM
#15



What should I do then? Please help . I'm in tears.
X3non
X3non
X3non
Recognized Contributor
22,062
29-09-2017, 02:02 PM
#16
(29-09-2017, 10:29 AM)Khatiwada What  should I do then? Please help . I'm in tears.

power off the device, reinstall vcom preloader driver on your PC then retry miracle box
if you are still unable to get miracle box to work, then you'll need to search on-line for and download the stock rom
extract the scatter file from the stock rom and use it to flash the nvram file using sp flash tool @ https://www.hovatek.com/forum/thread-159.html
Khatiwada
Khatiwada
Khatiwada
Junior Member
36
29-09-2017, 02:22 PM
#17
Can you help me to provide a link to download stock rom for Lenovo S850 ? I found 3 files.
This post was last modified: 29-09-2017, 02:29 PM by Khatiwada.
X3non
X3non
X3non
Recognized Contributor
22,062
29-09-2017, 03:15 PM
#18
(29-09-2017, 02:22 PM)Khatiwada Can you help me to provide a link to download stock rom for Lenovo S850 ? I found 3 files.

verify from the build number on your device to the firmware files you found
you should be able to pinpoint from there
Khatiwada
Khatiwada
Khatiwada
Junior Member
36
29-09-2017, 06:17 PM
#19
I watched the tutorial to use SP Flash Tool . I prfer version 5 to version 3 but what should I do? "Format Only" , " Formalt + Download" or " Download only"
And what must be ticked in respect of me. Please guide
This post was last modified: 29-09-2017, 06:34 PM by Khatiwada.
hovatek
hovatek
hovatek
Administrator
49,570
30-09-2017, 10:16 AM
#20



(29-09-2017, 06:17 PM)Khatiwada I watched the tutorial to use SP Flash Tool . I prfer version 5 to version 3 but what should I do? "Format Only" , " Formalt + Download" or " Download only"
And what must be ticked in respect of me. Please guide

You're trying to work in many directions at a time and from what I can see, you don't have that level of expertise.
I think you need to slow down. You're only going to end up confusing yourself then bricking your phone.

Have you obtained the stock rom for your phone?

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