If a user runs a PPI calculation while the phone is in FHD+ mode, the result will be significantly lower than the advertised spec on the box. The user assumes they were sold a "fake" screen, not realizing they simply need to toggle the resolution setting to maximum to achieve the advertised PPI. Samsung does this to save battery—WQHD+ consumes significantly more power than FHD+.

with the correct 4-file stock firmware (BL, AP, CP, and CSC) matching your specific model and region.

In the settings menu of a flagship Galaxy phone, under "Display Resolution," users often find the phone is set to "FHD+" rather than the maximum "WQHD+."

The error we are addressing in this article refers to , not PIP. If you are looking for help with the Picture-in-Picture mode not working correctly, the solutions outlined here will not apply.

: Use a tool like Frija or Samloader to download the latest official firmware specifically for your model (e.g., SM-A217F). Enter Download Mode : Power off the device.

The error signifies that the corporate server is pushing an enrollment profile meant for a different device model or Android version.

Because this is a low-level "Dead Boot" scenario, standard factory resets rarely work. Solutions typically require professional tools like Z3X, Octoplus, or Chimera.

If the previous steps do not resolve the issue, the most reliable method is to perform a clean, official installation. This process can resolve deep-seated conflicts.

Download the exact firmware for your specific Samsung model (e.g., SM-G991B). Use tools like SamFirm or Frija. Enter Download Mode: Turn off your phone.