How to use Infinity CM2 to backup & restore Spreadtrum NV

This video explains how to use Infinity CM2 to backup & restore NVRAM on Spreadtrum (SPD)

You'll need NVRAM when encountering network problems and null IMEI

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00:10
In this video tutorial, I'll be explaining how to backup a Spreadtrum Android phone's NV using

00:17
Infinity CM2 SPD. Its very important you've set it up, installed your Spreadtrum drivers and have the dongle

00:24
connected to your PC. Once you've done these, launch the Infinity box CM2 SPD module.

00:33
and wait for the dashboard to come up. Once it comes up, under Settings - CPU, select your phone's chipset.

00:41
We have a guide on how to identify your phone's chipset so check it out.

00:44
Go to the Security tab where you're going to be backing up the NV. I usually have Not Responding error on my PC

00:55
because I'm running some processes at the moment so just bear with me okay? Under Security, go to Read NV

01:09
and you click on it (green text). That's where you're going to be backing up the NV.

01:18
You have to get a working phone without NV issues. By NV issues, I mean a phone having unknown baseband,

01:30
no network (signal), null IMEI, WiFi or Bluetooth problems etc That's an NV problem.

01:37
So what you'll want to do now is to power off the working phone, hold the volume down button,

01:41
battery inside then connect it via USB cord. You should have a detection like this.

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What you're essentially doing here is that you're backing up a working phone (which doesn't have NV issues)

01:52
then flashing the NV to a phone having NV issues. At this moment, we're reading NV from a working phone.

01:59
The phone has been detected and you should have a Window popup. It has started reading NV.

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In this Window, you navigate to wherever you want to save your Spreadtrum NV and click on Save.

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Its usually a .spdnv file. Backup complete [Elapsed] then you have the path to where the NV has been saved

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usually a file in this format. Now, you've backed up the NV from the working phone

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now you want to flash the NV to the bad (bricked) phone. Disconnect the working phone then click on

03:07
BB Fix Mode and Write NV (red text) In this Window, select the NV you just backed up

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then you click on Open. That is going to load the NV. At this point, you'll want to get the phone having NV issues,

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power it off and keep it on stand by. Wait till you see Wait for phone.. Now, hold the volume down button

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and connect it to the PC via USB cord. Don't forget the battery should be inserted. Restoring NV..

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[Writing NV] You can also backup your NV just for safe keeping, not necessarily (till) when you have NV issues.

04:49
Elapsed (Done). So that's how to read and write NV to a Spreadtrum phone using Infinity Chinese Miracle 2

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SPD module. --------------------------
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