Launched July 21, 2026
Xteink X4 Pro
The upgrade pick. Front light and touchscreen for $99.
The X4 with a warm/cool front light and a touchscreen, side buttons kept. 72 g, 1,100 mAh battery, pogo-pin charging instead of USB-C. Runs XTOS, not Android. The Android model is the S4, even though this used to be called V2 Pro.
Specs
| OS / platform | XTOS (non-Android) |
|---|---|
| Screen | 4.3" E Ink, 219 PPI |
| Resolution | 219 PPI |
| Front light | Yes, adjustable brightness + warm/cool |
| Touchscreen | Yes + side page-turn buttons |
| Chip | Not disclosed ? |
| Storage | 16 GB microSD, exp. 256 GB |
| Charging | Magnetic pogo-pin |
| Battery | 1,100 mAh |
| Dimensions | 111 × 69 × 5.95 mm |
| Weight | 72 g |
| Thickness | 5.95 mm |
| Magnetic mount | Yes, built-in magnetic backplate |
Get more out of it
- Accessories that fit the X4 Pro: cases, lights, screen protectors.
- Guides: setup, firmware, and getting books on it.
- Firmware: CrossPoint and the community builds.
Compare with the lineup
Put the X4 Pro side by side with X3, X4, S4. Add or drop any device and see the specs and colours line up.