If you are stuck for the Samsung j200f in white screen problem. then you can download the below firmware and fix the issue. but first, you can check the change LCD most cases the issue comes from the display. if you try many LCD changes but the same issue has been on your mobile then you can flash the below firmware file which fixes your problem.
Samsung Galaxy J2 Specification:
Samsung Galaxy J2 mobile was launched in September 2015. The phone comes with a 4.70-inch touchscreen display with a resolution of 540×960 pixels at a pixel density of 234 pixels per inch (PPI) and an aspect ratio of 16:9. Samsung Galaxy J2 is powered by a 1.3GHz quad-core Samsung Exynos 3475 processor. It comes with 1GB of RAM. The Samsung Galaxy J2 runs Android 5.1 and is powered by a 2000mAh removable battery.
As far as the cameras are concerned, the Samsung Galaxy J2 on the rear packs a 5-megapixel camera with an f/2.2 aperture. The rear camera setup has autofocus. It sports a 2-megapixel camera on the front for selfies with an f/2.2 aperture.
Samsung Galaxy J2 is based on Android 5.1 and packs 8GB of inbuilt storage that can be expanded via a microSD card (up to 128GB). The Samsung Galaxy J2 is a dual-SIM (GSM and GSM) mobile that accepts Micro-SIM and Micro-SIM cards. The Samsung Galaxy J2 measures 136.50 x 69.00 x 8.40mm (height x width x thickness). It was launched in Black, White, and Gold colors.
Connectivity options on the Samsung Galaxy J2 include Wi-Fi 802.11 b/g/n, GPS, Bluetooth v4.10, USB OTG, FM radio Wi-Fi Direct, 3G, and 4G (with support for Band 40 used by some LTE networks in India). Sensors on the phone include an accelerometer and proximity sensor.
As of 12th November 2021, the Samsung Galaxy J2 price in India starts at Rs. 6,449.