BLU J4 phone was announced in 2019, October by BLU and was launched in October, 2019. The BLU J4 phone has 151 x 72.3 x 10 mm (5.94 x 2.85 x 0.39 in) (height x width x thickness) dimensions with weight 158 g (5.57 oz) grams. It comes in Blue, Black and Brown colors.
The operating system which runs on the phone is Android 8.1 Oreo (Go edition). The display size of the phone is 5.5 inches, 78.1 cm2 (~71.5% screen-to-body ratio) with resolution of 720 x 1440 pixels, 18:9 ratio (~293 ppi density) pixels. The network technology of the phone is GSM / HSPA with 2G bands GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2, 3G bands HSDPA 850 / 900 / 1900 / 2100 and 4G bands .
The phone has rear camera with specs, 8 MP, AF and the front camera with specs , 8 MP. The camera is featured with LED flash. The phone is powered with a battery of 2200 mAh capacity, Quad-core 1.3 GHz Cortex-A7 CPU and Mali-400 GPU. As for as the RAM and the ROM of the BLU J4 phone are concerned, it comes with 32GB 1GB RAM. The list of sensors, price and many other specifications are given below.