feat(install): Add JustWorksRepairing and GATT cache configuration
- Enable JustWorksRepairing = always for automatic BLE pairing - Disable GATT caching (Cache = no) to prevent Service Changed subscription pairing prompts on Android 15+ devices - Track config changes and only restart BlueZ when needed 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
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torlando-tech
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1 changed files with 111 additions and 5 deletions
116
install.sh
116
install.sh
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@ -753,10 +753,12 @@ else
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print_info "This prevents 'br-connection-profile-unavailable' errors on dual-mode hardware"
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echo
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# Track if we need to restart bluetooth at the end
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BLUEZ_CONFIG_CHANGED=false
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# Check if ControllerMode is already set to 'le'
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if grep -q "^[[:space:]]*ControllerMode[[:space:]]*=[[:space:]]*le" /etc/bluetooth/main.conf 2>/dev/null; then
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print_success "ControllerMode already set to 'le' in /etc/bluetooth/main.conf"
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echo
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else
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print_info "Adding ControllerMode = le to /etc/bluetooth/main.conf..."
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@ -792,23 +794,127 @@ else
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echo "ControllerMode = le" | sudo tee -a /etc/bluetooth/main.conf > /dev/null
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print_success "Added [General] section with ControllerMode = le"
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fi
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BLUEZ_CONFIG_CHANGED=true
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fi
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# Configure JustWorksRepairing = always for automatic Just Works pairing
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if grep -q "^[[:space:]]*JustWorksRepairing[[:space:]]*=[[:space:]]*always" /etc/bluetooth/main.conf 2>/dev/null; then
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print_success "JustWorksRepairing already set to 'always'"
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else
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print_info "Enabling JustWorksRepairing = always for automatic pairing..."
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if grep -q "^[[:space:]]*#[[:space:]]*JustWorksRepairing" /etc/bluetooth/main.conf 2>/dev/null; then
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# Commented out - add after the comment
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if [ "$EUID" -eq 0 ]; then
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sed -i '/^[[:space:]]*#[[:space:]]*JustWorksRepairing/a JustWorksRepairing = always' /etc/bluetooth/main.conf
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else
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sudo sed -i '/^[[:space:]]*#[[:space:]]*JustWorksRepairing/a JustWorksRepairing = always' /etc/bluetooth/main.conf
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fi
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elif grep -q "^[[:space:]]*JustWorksRepairing[[:space:]]*=" /etc/bluetooth/main.conf 2>/dev/null; then
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# Exists but different value - update
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if [ "$EUID" -eq 0 ]; then
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sed -i 's/^[[:space:]]*JustWorksRepairing[[:space:]]*=.*/JustWorksRepairing = always/' /etc/bluetooth/main.conf
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else
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sudo sed -i 's/^[[:space:]]*JustWorksRepairing[[:space:]]*=.*/JustWorksRepairing = always/' /etc/bluetooth/main.conf
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fi
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elif grep -q "^\[General\]" /etc/bluetooth/main.conf 2>/dev/null; then
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# Add after [General]
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if [ "$EUID" -eq 0 ]; then
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sed -i '/^\[General\]/a JustWorksRepairing = always' /etc/bluetooth/main.conf
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else
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sudo sed -i '/^\[General\]/a JustWorksRepairing = always' /etc/bluetooth/main.conf
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fi
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fi
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print_success "JustWorksRepairing = always configured"
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BLUEZ_CONFIG_CHANGED=true
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fi
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# Restart BlueZ if config changed
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if [ "$BLUEZ_CONFIG_CHANGED" = true ]; then
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echo
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print_info "Restarting BlueZ service to apply changes..."
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if sudo systemctl restart bluetooth 2>/dev/null || sudo service bluetooth restart 2>/dev/null; then
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print_success "BlueZ service restarted successfully"
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sleep 2 # Give BlueZ time to reinitialize
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# Verify the setting was applied
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# Verify settings
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if grep -q "^[[:space:]]*ControllerMode[[:space:]]*=[[:space:]]*le" /etc/bluetooth/main.conf 2>/dev/null; then
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print_success "ControllerMode = le configuration verified"
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else
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print_warning "Could not verify ControllerMode setting - check manually"
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print_success "ControllerMode = le verified"
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fi
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if grep -q "^[[:space:]]*JustWorksRepairing[[:space:]]*=[[:space:]]*always" /etc/bluetooth/main.conf 2>/dev/null; then
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print_success "JustWorksRepairing = always verified"
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fi
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else
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print_error "Failed to restart BlueZ service"
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print_info "You may need to restart manually: sudo systemctl restart bluetooth"
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fi
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fi
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echo
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fi
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echo
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# Step 5D: GATT Cache Configuration (prevents pairing prompts on newer Android devices)
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print_header "GATT Cache Configuration"
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if [ ! -f /etc/bluetooth/main.conf ]; then
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print_warning "/etc/bluetooth/main.conf not found - skipping GATT cache configuration"
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echo
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else
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print_info "Configuring BlueZ GATT cache to prevent pairing prompts"
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print_info "This fixes pairing prompts on Android 15+ / Bluetooth 5.3+ devices"
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echo
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# Check if Cache is already set to 'no' under [GATT] section
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if grep -q "^[[:space:]]*Cache[[:space:]]*=[[:space:]]*no" /etc/bluetooth/main.conf 2>/dev/null; then
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print_success "GATT Cache already set to 'no' in /etc/bluetooth/main.conf"
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echo
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else
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print_info "Adding Cache = no to [GATT] section in /etc/bluetooth/main.conf..."
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# Check if [GATT] section exists
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if grep -q "^\[GATT\]" /etc/bluetooth/main.conf 2>/dev/null; then
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# [GATT] section exists
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if grep -q "^[[:space:]]*#[[:space:]]*Cache[[:space:]]*=" /etc/bluetooth/main.conf 2>/dev/null; then
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# Commented out - add Cache = no after the commented line
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if [ "$EUID" -eq 0 ]; then
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sed -i '/^[[:space:]]*#[[:space:]]*Cache[[:space:]]*=/a Cache = no' /etc/bluetooth/main.conf
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else
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sudo sed -i '/^[[:space:]]*#[[:space:]]*Cache[[:space:]]*=/a Cache = no' /etc/bluetooth/main.conf
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fi
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print_success "Added Cache = no (keeping commented default as reference)"
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elif grep -q "^[[:space:]]*Cache[[:space:]]*=" /etc/bluetooth/main.conf 2>/dev/null; then
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# Already exists but set to different value - update it
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if [ "$EUID" -eq 0 ]; then
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sed -i 's/^[[:space:]]*Cache[[:space:]]*=.*/Cache = no/' /etc/bluetooth/main.conf
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else
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sudo sed -i 's/^[[:space:]]*Cache[[:space:]]*=.*/Cache = no/' /etc/bluetooth/main.conf
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fi
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print_success "Updated existing Cache setting to 'no'"
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else
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# Doesn't exist - add it after [GATT]
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if [ "$EUID" -eq 0 ]; then
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sed -i '/^\[GATT\]/a Cache = no' /etc/bluetooth/main.conf
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else
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sudo sed -i '/^\[GATT\]/a Cache = no' /etc/bluetooth/main.conf
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fi
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print_success "Added Cache = no under [GATT] section"
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fi
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else
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# No [GATT] section - add it at end of file
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if [ "$EUID" -eq 0 ]; then
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echo "" >> /etc/bluetooth/main.conf
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echo "[GATT]" >> /etc/bluetooth/main.conf
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echo "Cache = no" >> /etc/bluetooth/main.conf
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else
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echo "" | sudo tee -a /etc/bluetooth/main.conf > /dev/null
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echo "[GATT]" | sudo tee -a /etc/bluetooth/main.conf > /dev/null
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echo "Cache = no" | sudo tee -a /etc/bluetooth/main.conf > /dev/null
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fi
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print_success "Added [GATT] section with Cache = no"
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fi
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# Note: Service restart will happen in the next step or has already happened
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print_info "GATT caching disabled - this prevents Service Changed subscription pairing"
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echo
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fi
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fi
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