If you are looking for Marshmallow for this device, it is typically achieved through custom ROMs
Stable & smooth – breathed new life into my Galaxy Grand Prime (SM-G530H) sm-g530h firmware 6.0 1
Download and install the latest version of Odin on your computer. If you are looking for Marshmallow for this
You're looking for content related to "SM-G530H firmware 6.0.1". Here's some information that might be helpful: sm-g530h firmware 6.0 1