If the device is operational and "USB Debugging" is enabled in the Developer Options:
If your unit is working but buggy (Bluetooth dropping, screen freezing), you might not need new firmware—just a wipe. android recovery philips qm16xeu qm16xeu link
: Removing temporary system files to resolve lag or minor glitches. Manual Firmware Updates : Installing official Philips firmware files from a USB drive. 2. How to Access Recovery Mode (QM16XE_U) If the device is operational and "USB Debugging"
Forensic Acquisition and System Restoration: A Technical Analysis of the Android Recovery Partition on Philips QM16XEU Devices android recovery philips qm16xeu qm16xeu link