4.1.2 (Jelly Bean) or 4.4.2 (KitKat) base for some custom/updated ROMs Recommended Flash Tools Several tools can be used to install the RM-1030 firmware:
1.2.3.21 (for V2 chipsets) or 1.2.3.1 (for V1 chipsets)
Frequently cited as the primary tool for this specific model.
If the product code contains a "W" , you have a V2 chipset. Version V1: Older models without the "W" are V1.
Flashing a V1 firmware on a V2 device (or vice versa) will likely result in a permanent "hard brick" that cannot be recovered easily.
A lightweight utility specifically for Nokia Android-based phones that is easier to use than official suites.
Before you begin, check your (Settings > About Phone).
Hosts various regional firmware versions (IMEA, EURO, APAC).