Partially. The modem firmware (CP file) remains from the N986N base. You will get Korean 5G bands (n78, n257) plus Hong Kong bands (n1, n28). You will not gain US mmWave or European n79 bands. Hardware limitations apply.
Use software to load the SM-N986B firmware files (BL, CP, AP, CSC) onto the device. n986n convert to n986b
The Samsung Galaxy Note 20 Ultra remains one of the most beloved phablets in Samsung’s history. However, Samsung’s regional segmentation has caused endless confusion for power users. You have the (the South Korean variant) and the SM-N986B (the International/Exynos variant). Partially
Converting a (Korean variant) to SM-N986B (Global variant) firmware is a common practice for users wanting to remove Korean bloatware, enable local network features like VoLTE , or change the CSC (Country Specific Code) . However, this process involves significant risks and technical hardware differences that you must consider before proceeding. Understanding the N986N and N986B Variants You will not gain US mmWave or European n79 bands
The primary reason users search for "n986n convert to n986b" is software freedom. By flashing the N986B firmware onto an N986N device, you are essentially changing the "personality" of the phone.
by using specific key combinations (usually Power + Volume Down while connected to a PC).
Here’s a step-by-step write-up on converting a (Korean Galaxy Note 20 Ultra) to SM-N986B (International/Exynos) software-wise.