LUMIA 620 BLACK UPDATE
This method worked for me and it must work for you too!!!!
- Download nokia care suite latest version with userconfig file altered... 4shared link worked for me.
- Install the care suite and open product support tool.
- Disable 'automatic product selection'
- Open firmware download and type the the product code "059R7F2"
- Download the firmware
- select 'open product' from file menu and select lumia 620
- Now open recovery option from the bottom left corner,,, a box appears containing the firmware information
- click the start recovery option and follow the procedure as displayed.
- After flashing successfully turn on ur phone,connect to wifi,and check for update.
- Update your phone,,, This install original black update.