The main difference between the Lenovo Tab M11 with the manufacturer number ZADA0343SE and a hypothetical model with the manufacturer number ZADA0134SE, which is not mentioned in the data provided, lies mainly in the specifications and configurations known for the ZADA0343SE model.

### Known specifications for ZADA0343SE:
- Memory: 128 GB eMMC 5.1
- Processor: MediaTek Helio G88, Octa-Core
- RAM: 4 GB LPDDR4x
- Display: 11 inch, WUXGA (1920x1200), 90 Hz refresh rate, 400 nits brightness
- Operating system: Android 13 with expectation of updates up to Android 15 and security patches until January 2028
- Colour: Luna Grey

### Possible differences:
- Storage and RAM: There could be differences in storage and RAM configurations, e.g. 64 GB storage and 4 GB RAM or other combinations.
- Release date and price: As you mentioned, the models could differ in release date and price.
- Other configurations: There could also be differences in other configurations, such as the number of cameras, battery capacity or available colours, but this information is not available for the ZADA0134SE model.

Since the ZADA0134SE model is not mentioned in the data provided, I cannot provide specific details about it. However, it is likely that the main differences lie in the storage and RAM configurations as well as other specific hardware or software settings.