Views: 67 Author: Sean.Lu Publish Time: 2025-11-10 Origin: Site
| Defects & Issues (from Amazon Reviews) | |
| Remote Control Issues | No function when the remote control is used for the first time |
| Remote control stops working after a few weeks | |
| Delayed response of remote control functions | |
| Remote control feels cheap and lacks texture | |
| Burrs on the edges of the remote control | |
| Remote control function failure (unresponsive buttons) | |
| Remote control only works when pointed directly at the projector (fails if slightly off-target) | |
| Remote control comes without batteries | |
| No mute button on the remote control | |
| Display Issues | Display color distortion (washed-out image) |
| Dim display brightness (unclear when there’s even slight ambient light) | |
| White spots, black spots, or bright spots appearing on the display | |
| Dust spots visible on the projected image | |
| Abnormal large color blocks on the display | |
| Bright/yellow lines appearing on the image | |
| Blurred edges of the projected image | |
| Overly high image sharpness (unadjustable) | |
| Minimal effect when adjusting brightness/contrast | |
| Zoom ratio resets every time the device is turned on (no memory function) | |
Keystone correction needs reconfiguration every time the device is turned on (no memory function, noticeable when using a projection screen) | |
| Lifespan issue: Large dark shadows appear on the display after 5 months | |
| Lifespan issue: Only yellow color is displayed (color loss) after 5 months | |
| Lifespan issue: Display brightness dims after 6 months | |
| Lifespan issue: White/black screen appears after a few seconds of operation when turned on (after 6 months) | |
| Lifespan issue: Screen flickering starts after 3 months | |
| Lifespan issue: Lamp beads burn out after 3 months | |
| Focus/Keystone Issues | Auto-focus is overly sensitive; slight bumps to the projector trigger a reset |
| Blurred image due to auto-focus/manual focus malfunctions | |
| Auto-focus problems occur after software updates | |
| Auto-focus fails to work (despite audible focusing operation) | |
| Manual focus adjustment should be available (to avoid trouble if auto-focus fails) | |
| Auto-focus is prone to false triggering | |
| Slow auto-focus response | |
| Slow auto-keystone correction | |
| USB Issues | USB port does not support high-capacity devices |
| USB only supports FAT32 format (incompatible with other formats like H264) | |
| USB fails to play images or videos | |
| USB cannot recognize U disks or hard drives (storage devices) larger than 128GB | |
| MKV files can be played via hard drive, but subtitles are not supported | |
| USB fails to play H.265 MKV videos properly (video plays, but no audio) | |
| System Issues | Third-party system only supports Netflix, YouTube, and Amazon (too many unknown third-party apps included) |
| Inconvenient mouse operation on the third-party system | |
| Privacy concerns with the third-party system | |
| Third-party system uses web versions (instead of app versions), resulting in poor user experience | |
| Security risks from unknown apps in the third-party system | |
| Lifespan issue: Unable to power on after several months of use | |
| Lifespan issue: System freezes or lags after several months of use | |
| Hardware Issues | Power cord is too short |
| Missing power cord (accessory not included) | |
| Power cord overheats | |
| Cracks on the lens | |
| Speakers stop working after two weeks | |
| Loud fan noise | |
| Loose plug connection (easily falls out of the socket) | |
| Low and unclear volume | |
| Fingerprints on the lens from the factory | |
| Noisy audio (static sound) after 30 minutes of playback | |
| Projector overheats, causing app lag | |
| Projector shuts down automatically due to overheating protection | |
| Projector overheats, leading to smoking and burning of the plastic casing | |
| Adapter overheats, resulting in melting and deformation | |
| Poor heat dissipation design (inadequate heat release) | |
| Compatibility/Delay Issues | Audio delay (audio-video desynchronization) |
| Audio delay when connecting via HDMI/Bluetooth | |
| Lag during screen mirroring | |
| Only audio plays (black screen) during screen mirroring | |
| HDMI audio-video desynchronization (audio delay) | |
| Delay when mirroring from mobile phones | |
| Game lag | |
| Bluetooth audio playback issues (delay/failure to play) | |
| Audio-video desynchronization and delay when playing via Firestick (HDMI connection) | |
| Poor playback quality and sound quality with Firestick | |
| 4K Firestick playback not supported | |
| System’s built-in player supports only a limited range of video formats | |
| Compatibility issue: Due to HDCP protocol, screen mirroring only supports YouTube (incompatible with Netflix/Apple TV/Disney+/Hulu/Youtube TV...) | |
| WiFi/Bluetooth Issues | WiFi password needs to be re-entered every time (password not saved) |
| Bluetooth devices need to be re-searched and reconnected every time the device is turned on (no memory function) | |
| Unstable WiFi (frequent buffering during screen mirroring) | |
| Unstable WiFi/Bluetooth connection | |
| Unable to connect to WiFi | |
| WiFi connected but no internet access | |
| Frequent WiFi disconnections | |
| Short Bluetooth connection range; unable to detect Bluetooth devices | |
| Product Design Issues | Only one HDMI port (HDMI splitter required for multiple device connections) |
| Design flaw: Firestick connection blocks the power button and headphone jack | |
| Easy to collect dust (difficult to clean) | |
| Strong plastic feel (cheap appearance) | |
| Bulky and heavy design | |
| No physical control buttons on the device (device unusable if remote is lost) | |
| Screw holes not centered (causes projector tilt when mounted on a tripod) | |
| Manual focus adjustment should be added (to avoid trouble if auto-focus fails) | |
| No angle-adjustment stand (requires padding under the projector to adjust angle) | |
| No Type-C charging support | |
| Only supports 110V AC (unusable for camping) | |
| Only vertical keystone correction (no horizontal keystone correction) | |
| No auto-shutdown setting | |
| Inconvenient setup (no operation guide included) | |
Every projector product from ByteSense undergoes a rigorous and comprehensive self-inspection based on the projector issue checklist before leaving the factory. Additionally, each unit undergoes a 72-hour aging test, which significantly reduces the DOA (Dead On Arrival) failure rate.
We understand that when consumers purchase our products, they aim to fulfill a specific experience: whether it’s entertaining friends to watch a football game or a movie, cherishing precious weekend time with family through wonderful audio-visual moments, or bringing it outdoors to add fun to nighttime activities, etc..
