Note: Root or CWM recovery is required to backup or restore your NVRAM using this method Have you ever had a problem with your MTK6582, MTK6595, MTK6577, MTK6589, MTK6589T, MTK6575, MTK6572 NVRAM. Possibly you're seeing MTK Baseband Unknown in your phone settings > phone info after you flashed a ROM with SP Flash Tool or factory reset. This is what saved Gizbeat after he bricked his baseband. Normally it's quite easy to find a backup ROM if your phone is moderately popular, but NVRAM in.tar and.bin are often more difficult to come. If you don't have a full 'raw' backup with nvram.bin and userdata_nvram_only.tar, take a few minutes and at least make this NVRAM baseband and folder backup. What you'll need ADB Drivers (See MTK General Tools Sub-Forum) MTK Droid Tools (See MTK General Tools Sub-Forum) A Rooted Phone What to do • Install ADB Drivers • Extract MTK Droid Tools • Run MTK Droid Tools • With your phone on, connect it to your PC via USB • Root Shell is required.
Database File System
You need to be booted into ClockworkMod Recovery (CWM) or be fully rooted already. If fully rooted, the square should be yellow. If the square is yellow, then click the root button in bottom right corner. The little box should turn green which means you should then have shell access to backup or restore NVRAM.
Access Database File
Jul 22, 2015 - There will be nvram option. Deselect all files and select only nvram. Now open NVRAM.bin in sp flash tool. Make sure download only is. Nvram Database File Download. Press the 'Download Now' button to download and install Nvram Database File Mt6752 Downloader.