Stock "Night Mode" on 2021 devices usually caps at 4-8 seconds. Config 81 unlocks the full 4-minute astrophotography mode for phones with OIS (Optical Image Stabilization). You can capture the Milky Way with a mid-ranger.
When users refer to "GCam 81," they are typically referring to the GCam_8.1.101_Builds ported by the developer known as BSG. gcam config 81 2021
The 8.1 config optimized storage usage, allowing Motion Photos (short videos attached to the image) to be managed more efficiently, a feature that was buggy in previous v7 builds. Stock "Night Mode" on 2021 devices usually caps
Do not download random XML files from unverified blogs. Use trusted sources: ✅ Safe filename example: AGC8
✅ Safe filename example:
AGC8.4.300_V9_MGC_Snap.xml
❌ Suspicious: camera_fix_81_final_2.xml
Search for MGC_8.1.101_A9_GV1z (BSG's build) or Nikita_GCam_8.2.204_Config81. For this guide, we recommend BSG 8.1 because it is stable on most SoCs (Snapdragon 888, 870, 778G).
Using a 2022 config on a 2021 phone often breaks night mode or autofocus.