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Android Display & Performance Optimizer

v6.sh is a Bash menu for changing common Android display and developer settings over ADB. It works with one or more connected devices and keeps a local config.ini plus optional .bak backups of captured settings.

What it changes

  • Animation scales
  • Screen density (wm density)
  • Screen timeout (screen_off_timeout)
  • Screen brightness (screen_brightness)
  • Font scale (font_scale)
  • Status bar clock seconds (clock_seconds)
  • Status bar icon visibility via icon_blacklist
  • Battery percentage (status_bar_show_battery_percent)
  • Stay-awake while charging (stay_on_while_plugged_in)
  • Touch debug toggles (show_touches, pointer_location)
  • Rotation and auto-rotation
  • A small set of hardware acceleration and GPU debug properties
  • Device reboot

Requirements

  • Bash
  • adb in PATH
  • USB debugging enabled on the Android device
  • A connected device that appears as device in adb devices

Install

git clone https://github.com/1999AZZAR/android-display-optimizer.git
cd android-display-optimizer
chmod +x v6.sh

Run

./v6.sh

On startup the script:

  1. Detects connected devices and asks you to choose one if more than one is available.
  2. Creates config.ini if it does not exist yet.
  3. Loads values from config.ini.
  4. Shows the interactive menu.

Menu summary

Information:

  • Show animation settings
  • Show display info
  • Show device information
  • Show hardware acceleration status
  • Show rotation status

Display and animation:

  • Set animation scale to 1.0, 0.9, 0.75, custom, or 0.0
  • Set custom DPI
  • Reset DPI

Screen timeout:

  • Set screen timeout to 30 seconds, 1 minute, 2 minutes, 5 minutes, 10 minutes, or 30 minutes
  • Keep short test presets for 7, 10, 15, and 20 seconds
  • Set a custom timeout in seconds

Brightness:

  • Set brightness mode to manual or adaptive
  • Set brightness to 64, 128, 192, or a custom 0-255 value

Font scale:

  • Set font scale to 0.85, 1.0, 1.15, 1.3, or a custom positive value

Status bar:

  • Show the clock seconds in the status bar
  • Hide the clock seconds in the status bar
  • Show or hide the Wi-Fi icon
  • Show or hide the mobile icon
  • Show or hide the tethering icon
  • Show or hide the Bluetooth icon
  • Show or hide the VPN icon
  • Show or hide the Data Saver icon
  • Show or hide the Airplane icon
  • Show or hide the battery percentage

Power:

  • Disable stay-awake while charging
  • Keep the screen awake while plugged in on AC + USB
  • Keep the screen awake while plugged in on AC + USB + wireless

Input debug:

  • Enable or disable show_touches
  • Enable or disable pointer_location

Rotation:

  • Enable all rotations
  • Disable upside-down rotation
  • Toggle auto-rotation
  • Lock rotation to portrait, landscape, upside-down, or reverse landscape

Hardware and GPU:

  • Enable hardware acceleration related settings
  • Disable them
  • Reset them
  • Toggle GPU profile rendering
  • Toggle GPU overdraw debugging

Utility:

  • Change selected device
  • Show full device info from the header with i This view includes serial, manufacturer, brand, model, Android version, SDK, security patch, build ID, ABI list, battery state, memory, /data storage, uptime, and Wi-Fi IP when available.
  • Reboot device
  • Back up current settings to a timestamped .bak file
  • Restore settings from a backup

config.ini

The script generates config.ini from the current state of the selected device. It stores values the script can read and write directly.

Current sections:

  • [Animation]
  • [Display]
  • [StatusBar]
  • [InputDebug]
  • [Power]
  • [HardwareAcceleration]
  • [Rotation]
  • [Backup]
  • [Colors]

Example:

[Animation]
window_animation_scale=1.0
transition_animation_scale=1.0
animator_duration_scale=1.0

[Display]
density=420
screen_off_timeout=15000
screen_brightness=128
screen_brightness_mode=0
font_scale=1.0

[StatusBar]
clock_seconds=0
icon_blacklist=
status_bar_show_battery_percent=0

[InputDebug]
show_touches=0
pointer_location=0

[Power]
stay_on_while_plugged_in=0

[HardwareAcceleration]
force_gpu_rendering=1
profile_gpu_rendering=false
debug_gpu_overdraw=false

[Rotation]
accelerometer_rotation=1
user_rotation=0

[Backup]
Prefix=android_settings_

[Colors] is also written to the file and controls the terminal color codes used by the script.

Notes on Android support

This script sends standard adb shell settings, adb shell wm, adb shell cmd window, and adb shell setprop commands. Android support is not uniform across devices and ROMs.

Examples:

  • Some setprop targets are read-only.
  • Some values require root.
  • Some commands exist on one Android version and not another.

When one of those commands fails, v6.sh now prints the error and returns to the menu instead of exiting the script.

For commands with a capability probe, unsupported items are marked in the menu before you run them.

Backups

b writes the current device state to a timestamped backup file using the prefix from config.ini.

s lists *.bak files in the current directory and applies the selected backup back to the device.

Troubleshooting

If the script cannot see the device:

adb devices

If the device is listed as unauthorized, confirm the debugging prompt on the phone and run:

adb kill-server
adb start-server
adb devices

If a menu action fails:

  • Read the ADB error message shown in the terminal.
  • Check whether the setting exists on your Android version.
  • Check whether the device or ROM requires root for that change.

Repository files

  • v6.sh: main script
  • config.ini: generated local configuration

Contributing

If you change the script, update the README when menu options, config keys, or command behavior changes.