Conclusion
The Allview E3 Sign is a budget-friendly smartphone offering a solid set of features ideal for users back in its release year of 2015. While it is sufficient for basic functionality, contemporary users might prefer investing in more advanced technologies for a richer user experience. Its longevity, however, was commendable, as is its attempt at providing features like the infrared and rear fingerprint sensor, which were innovative at the time for an entry-level market.