The Xiaomi Redmi Note 4 is a 5.5-inch phone with a 10-core Helio X20 processor, 3GB of RAM, a full HD screen, 16/64GB of storage memory (expandable via microSD cards), a 13-megapixel back camera ...

Xiaomi has continued to use the same display specification as the Redmi Note 3 in the Redmi Note 4 and 4X. It is once again a 5.5-inch IPS LCD panel with Full HD (1920x1080) resolution.

The Xiaomi Redmi Note 4 is an improvement over its predecessor, but it's not enough of an improvement to seek an upgrade from last year's Note 3. It is also behind competitors.

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It was solid, stable and total value for money. Its excellent sales no doubt contributed to the $1 billion in revenue the company notched up from India. One would have been right to be skeptical ...