The Tecno Spark10, with 8GB of RAM and 128GB of internal storage, likely falls into the mid-range to upper mid-range category. Here's a general overview:

Display: The phone may feature a large display, possibly with HD or Full HD resolution, for a vibrant and immersive viewing experience.

Performance: With 8GB of RAM, the device should be capable of handling multitasking and running applications smoothly. The specific processor and chipset would determine its overall performance.

Storage: The generous 128GB internal storage allows for ample space to store apps, photos, videos, and other data. It's worth noting whether the device supports expandable storage via a microSD card.

Camera: The smartphone is likely to have a camera setup that includes a main rear camera and a front-facing selfie camera. The resolution and features of these cameras can vary.

Battery: The battery capacity will impact the device's endurance, and it may support fast charging technology for quick replenishment.

Operating System: The phone is expected to run on a version of Android, with Tecno's custom user interface layered on top.

Connectivity: Standard connectivity features such as 4G LTE, Wi-Fi, Bluetooth, and GPS are expected. USB Type-C or Micro-USB for charging and data transfer would depend on the model.

Design: The phone's design may include a sleek and modern aesthetic, possibly with a fingerprint sensor for added security.

It's important to check the latest information and reviews for the Tecno Spark10 (8/128GB) smartphone, as specifications can vary, and new models may have been released after my last update.