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People walk behind a glass window bearing the logo of Samsung Electronics at the company's headquarters in Seoul November 6, 2009. Reuters/Choi Bu-Seok

The 2017 Samsung Galaxy A series handsets are expected to be launched before this year ends. The upcoming Galaxy A3, Galaxy A5 and Galaxy A7 (2017) are reportedly going to undergo large-scale overhaul as Samsung intends to arm the new A series phones with contemporary features.

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Samsung Galaxy A3 (2017)

The 2017 Samsung Galaxy A3 is said to sport a 4.7-inch HD display and backed by either an Exynos or Snapdragon chipset with 2 GB of RAM. A 12 MP main camera is expected along with its 8 MP selfie snapper. The new galaxy A3 is said to equip a non-removable 3,000 mAh lithium-ion battery.

Samsung Galaxy A5 (2017)

According to PhoneArena, the median 5.2-inch Galaxy A5 is going to be powered by an Exynos 7880 quad-core chipset with 32 GB of internal storage and 3 GB of RAM. It is likely to equip a lithium-ion battery with 3,300 mAh capacity. The Galaxy A5 is reportedly going to be available in a number of colour options, including pearl black.

Samsung Galaxy A7 (2017)

The most high-end among the 2017 Galaxy A series handsets, the Galaxy A7 is projected to feature a 5.7-inch Super AMOLED display with a 1080 x 1920 pixel resolution and 401 ppi pixel density. According to GSMArena, the A7 is set to have 16 MP f/1.8 primary and secondary cameras. Inside, the A series leader is said to pack an Exynos 7870 processor with 3 GB of RAM. The Galaxy A7 is likely to come in 32 GB and 64 GB storage options, as well as expandable microSD memory slot.

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Last year’s Samsung Galaxy A series was launched in early December and released a month later, so the upcoming Galaxy A3, A5 and A7 (2017) handsets are likely to be announced in the coming days. Prices of the new Galaxy A series phones may increase due to new innovations. The Galaxy A3, A5 and A7 is normally priced at US$329 (AU$439), US$399 (AU$535) and US$499 (AU$669), respectively.