The Asus Zenfone Max ZC550KL, released in May 2016, is a smartphone designed and manufactured by Asus. It is part of the popular Zenfone series which is known for combining high performance with affordability. This model particularly stands out with its exceptional battery life, making it an ideal choice for users who need a reliable device that can last through an entire day or more without needing a recharge.
The Asus Zenfone Max ZC550KL boasts a robust design with dimensions measuring 156 x 77.5 x 10.6 mm, and it weighs 202 grams. This makes it relatively heavier and thicker than many of its counterparts, primarily due to its sizable battery. It features a dual-SIM capability with Micro-SIM slots, allowing users to manage two different numbers or networks conveniently. The phone is available in a variety of colors, including black, white, orange, and blue, providing options to cater to different aesthetic preferences.
This device features a 5.5-inch IPS LCD display with a resolution of 720 x 1280 pixels. The screen's 16:9 aspect ratio and approximately 267 ppi density ensure that users experience quality colors and clarity while viewing content. Notably, the screen is protected by Corning Gorilla Glass 4, which provides robustness against scratches and minor impacts.
Under the hood, the Asus Zenfone Max ZC550KL is powered by the Qualcomm MSM8939 Snapdragon 615 chipset. It comes with an Octa-core CPU, consisting of 4 cores clocked at 1.5 GHz Cortex-A53 and 4 cores at 1.0 GHz Cortex-A53. The device's graphics processing is handled by the Adreno 405 GPU, making it capable of rendering decent graphics for games and media. It runs on Android 6.0.1 (Marshmallow) with Asus’s ZenUI overlay providing additional features and customizations.
The Zenfone Max is equipped with 32GB of internal storage, coupled with either 2GB or 3GB of RAM, depending on the model variant. It also offers a dedicated microSDXC card slot, allowing users to expand the storage capacity further to accommodate more apps, photos, and videos without worrying about running out of space.
The main camera of the Asus Zenfone Max ZC550KL is a 13 MP shooter with a f/2.0 aperture, featuring Laser Autofocus for prompt and accurate focusing. The camera setup includes dual-LED dual-tone flash and supports features like HDR and panorama to enhance the photography experience. On the front, the phone houses a 5 MP camera, sufficient for selfies and video calls.
The standout feature of the Asus Zenfone Max ZC550KL is undoubtedly its massive 5000 mAh non-removable Li-Po battery. This large capacity battery ensures exceptional standby time, lasting up to 914 hours on 3G, and offers extended talk time of up to 38 hours on 3G networks. The device also supports reverse charging, which means it can serve as a power bank to charge other devices.
Connectivity on the Zenfone Max is well-covered, with support for GSM, HSPA, and LTE technologies. It supports a variety of bands ensuring good network compatibility. Other connectivity features include Wi-Fi 802.11 b/g/n, Bluetooth 4.0, GPS with A-GPS, GLONASS, and BDS support for accurate navigation, FM radio, and a microUSB 2.0 port with OTG support for connecting USB devices.
The phone is equipped with essential sensors such as an accelerometer, proximity sensor, and compass. These sensors enhance the device's usability by assisting in orientation, tilt, and navigation operations.
The Asus Zenfone Max ZC550KL (2016) is a compelling choice for users seeking a mid-range smartphone with a strong emphasis on battery life. While it may not offer the top performance specs seen in flagship devices of its time, the Zenfone Max represents excellent value for money, providing a solid combination of features, quality build, and design. Its battery endurance makes it particularly appealing to power users who are often away from charging points.
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