[Nokia 6.1 Plus (X6) Themes, Apps, and Mods] Siddheshwar Tekale:
Works best.......use following code as .xml and use as configuration file.........

<?xml version='1.0' encoding='utf-8' standalone='yes' ?>

<map>

<string name="pref_e_hdrplus_key">1</string>

<string name="pref_front_customdenoiseparam_key">0</string>

<string name="pref_front_noise_model_ao_key">1125</string>

<string name="libs_key">0</string>

<string name="pref_camera_picturesize_front_key">4608x3456</string>

<string name="pref_double_tap_key">camera</string>

<string name="key_promote_launch_wear">0</string>

<string name="pref_qjpg_key">97</string>

<string name="portrait_fixer">1</string>

<string name="raw_key">37</string>

<string name="pref_camera_grid_lines_mode">0</string>

<string name="pref_camera_pano_orientation">pano_horizontal</string>

<string name="pref_imax_audio_enabled_key">0</string>

<string name="pref_ext_mic_key">0</string>

<string name="pref_back_denoise_chroma_1_key">500</string>

<string name="pref_last_location_recording_state">0</string>

<string name="pref_has_checked_photobooth_mode">0</string>

<string name="highlight_b_key">10</string>

<string name="pref_video_quality_front_key">large</string>

<string name="pref_camera_picturesize_back_key">4608x3456</string>

<string name="pref_camera_back_flashmode_key">off</string>

<string name="pref_disable_zoom_key">1</string>

<string name="pref_mode_vesper_level">1</string>

<string name="pref_camera_hdr_key">0</string>

<string name="pref_has_seen_swiped_to_video">0</string>

<string name="pref_cuttlefish_front_torch_mode_key">off</string>

<string name="pref_camera_enable_iris">0</string>

<string name="pref_has_checked_ornament_mode">0</string>

<string name="pref_micro_mode">1</string>

<string name="pref_back_denoise_revert_1_key">5</string>

<string name="pref_camera_hdrplus_option_available_key">1</string>

<string name="pref_back_denoise_luma_2_key">100</string>

<string name="pref_back_denoise_luma_0_key">220</string>

<string name="pref_back_denoise_revert_0_key">5</string>

<string name="frames_min_key">7</string>

<string name="pref_volume_key_action">shutter</string>

<string name="pref_front_denoise_luma_0_key">220</string>

<string name="style_key">2</string>

<string name="pref_has_seen_permissions_dialogs">1</string>

<string name="pref_front_noise_model_as_key">1694300</string>

<string name="pref_front_denoise_revert_1_key">5</string>

<string name="pref_exposure_key">0</string>

<string name="pref_video_quality_back_key">medium</string>

<string name="iso_up_key">0</string>

<string name="motion_key">0</string>

<long name="tooltip_latest_impression_timestamp_for_cuttlefish_steady_advice" value="1558639955129" />

<string name="google_photos_key">1</string>

<string name="pref_camera_video_back_flashmode_key">off</string>

<string name="highlight_f_key">10</string>

<string name="pref_back_noise_model_as_key">1694300</string>

<string name="exp_ns_key">0</string>

<string name="config_key">5</string>

<string name="pref_camera_hdr_plus_key">auto</string>

<string name="pref_video_stabilization_key">0</string>

<string name="vfp_ae_key">0</string>

<string name="pref_front_noise_model_bo_key">11250</string>

<string name="pref_bitrate_key">15000000</string>

<string name="pref_back_tuningmode_key">1</string>

<string name="pref_back_customdenoiseparam_key">0</string>

<string name="pref_camera_video_front_flashmode_key">off</string>

<string name="pref_front_denoise_chroma_2_key">500</string>

<string name="pref_af_mode_front">0</string>

<int name="tooltip_impression_count_for_cuttlefish_steady_advice" value="1" />

<string name="pref_back_noise_model_ao_key">1125</string>

<string name="pref_disable_enh_awb_key">1</string>

<string name="pref_back_denoise_chroma_0_key">500</string>

<string name="pref_back_noise_model_bo_key">11250</string>

<string name="fix_old_wb_key">0</string>

<string name="pref_upgrade_version">16</string>

<string name="pref_front_customnoisemodel_key">1</string>

<string name="pref_front_denoise_chroma_0_key">500</string>

<string name="pref_antibanding_key">0</string>

<string name="resampling_key">0</string>

<string name="pref_camera_photosphere_orientation">pano_photosphere</string>

<string name="model_f_key">7</string>

<string name="pref_video_fps_p2018_key">FPS_30</string>

<string name="img_key">256</string>

<string name="pref_camera_raw_output_key">0</string>

<string name="pref_back_denoise_chroma_2_key">500</string>

<string name="pref_video_hevc_setting_key">0</string>

<string name="pref_max_brightness_key">0</string>

<string name="pref_back_denoise_revert_2_key">5</string>

<string name="pref_has_checked_photosphere_mode">0</string>

<string name="pref_camera_sounds_key">1</string>

<string name="pref_front_denoise_luma_2_key">100</string>

<string name="pref_back_customnoisemodel_key">1</string>

<string name="shadow_b_key">16</string>

<string name="pref_camera_recordlocation_key">0</string>

<string name="pref_front_noise_model_bs_key">90900</string>

<string name="pref_disable_slowmotion_key">1</string>

<string name="pref_camera_raw_output_option_available_key">1</string>

<string name="pref_front_denoise_revert_2_key">5</string>

<string name="pref_has_checked_cuttlefish_mode">1</string>

<string name="pref_back_noise_model_bs_key">90900</string>

<string name="pref_camera_front_flashmode_key">auto</string>

<string name="fix_ns_key">1</string>

<string name="pref_back_denoise_luma_1_key">150</string>

<string name="exp_key">0</string>

<string name="pref_front_denoise_luma_1_key">150</string>

<string name="pref_front_tuningmode_key">1</string>

<string name="wl_key">0</string>

<string name="pref_flash_supported_back_camera">1</string>

<string name="pref_hdr_support_mode_back_camera">hdr_plus</string>

<string name="flash_ns_key">1</string>

<string name="pref_dirty_lens_detector_key">0</string>

<string name="pref_has_checked_lens_mode">0</string>

<string name="pref_camera_countdown_duration_key">0</string>

<string name="pref_e_hdrplus_ns_key">0</string>

<string name="pref_front_denoise_chroma_1_key">500</string>

<string name="bl_front_key">0</string>

<string name="shadow_f_key">16</string>

<string name="model_b_key">7</string>

<string name="pref_camera_advice_settings">1</string>

<string name="pref_front_denoise_revert_0_key">5</string>

<string name="pref_af_mode_back">0</string>

</map>

.......save above code in text file and save with .xml extension.....