Asus Zenfone 2 ZE551ML

Overview:

The Asus Zenfone 2 ZE551ML, introduced in early 2015, marked a significant step forward for Asus in the smartphone market. It was one of the first smartphones to offer 4GB of RAM, making headlines for its performance capabilities. The Zenfone 2 was aimed at providing a high-end experience at a mid-range price point.

Features:

  • Operating System: Initially launched with Android 5.0 Lollipop, with ZenUI skin on top.
  • Display: 5.5-inch IPS LCD capacitive touchscreen with a resolution of 1080 x 1920 pixels.
  • Processor: Quad-core Intel Atom Z3580 (for the 4GB RAM version) or Z3560 (for the 2GB RAM version).
  • Memory: Options of 2GB or 4GB RAM, with 16/32/64 GB internal storage, expandable via microSD up to 256 GB.
  • Camera: 13 MP rear camera with dual-LED flash and a 5 MP front camera.
  • Battery: 3000 mAh non-removable battery with fast charging capabilities.
  • Connectivity: Wi-Fi 802.11 a/b/g/n/ac, Bluetooth 4.0, NFC, and GPS.
  • Other Features: Dual SIM support, FM Radio, and Asus’s custom ZenUI skin.

Pros:

  • Performance: The 4GB RAM variant, in particular, was a powerhouse in terms of multitasking and overall performance.
  • Value for Money: Offered flagship-like specifications at a mid-range price.
  • Expandable Storage: The inclusion of a microSD slot was beneficial for users needing more storage.
  • Fast Charging: The device supported fast charging, allowing for quicker top-ups.
  • Customizable ZenUI: Asus’s skin had a range of customization options and added features.

Cons:

  • Bulky Design: Some users found the phone a bit thick and heavy.
  • ZenUI Bloatware: While ZenUI was customizable, it came with a number of pre-installed apps that not everyone found useful.
  • Average Battery Life: Despite its size, the battery could struggle to last a full day with heavy use.
  • Rear Volume Buttons: The placement of the volume buttons on the back was divisive; some loved it, while others found it inconvenient.

Comparisons to Other Technologies:

In 2015, the smartphone market was evolving rapidly. The Zenfone 2 faced competition from:

  • OnePlus One: Known as the “flagship killer”, it offered high-end specs at a similar mid-range price point.
  • Moto G (3rd Gen): Motorola’s offering in the mid-range segment, known for its clean Android experience.
  • Samsung Galaxy A7: A mid-range offering from Samsung with a premium design.

Launch Date:

The Asus Zenfone 2 ZE551ML was announced in January 2015 and released in March 2015.
Common Issues/Problems:

  • Software Bugs: Some users reported bugs and glitches with ZenUI, especially with early versions.
  • Overheating: There were occasional reports of the device getting warm, particularly during intense tasks or prolonged gaming.
  • Battery Drain: Some users experienced faster than expected battery drain, possibly due to software issues.

Conclusion:

The Asus Zenfone 2 ZE551ML was a significant offering in the mid-range segment in 2015. It pushed the boundaries of what consumers could expect at that price point, particularly with its 4GB RAM variant. While it had its flaws and faced stiff competition, it was a testament to the evolving smartphone landscape, where high-end features were becoming accessible to a broader audience.

HTC One M9

The HTC One M9 was the successor to the well-received HTC One M8 and continued HTC’s focus on premium design and build quality. Here’s an in-depth review of the HTC One M9:

Overview:

Launched in 2015, the HTC One M9 aimed to refine the design and features of its predecessor. It was part of HTC’s flagship One series, known for its metal unibody design and front-facing stereo speakers.

Features:

  1. Operating System: Shipped with Android 5.0 Lollipop, overlaid with HTC’s Sense 7 UI.
  2. Display: 5.0-inch Super LCD3 with a resolution of 1080 x 1920 pixels.
  3. Processor: Qualcomm MSM8994 Snapdragon 810 Octa-core.
  4. Memory: 3 GB RAM with 32 GB internal storage, expandable via microSD up to 256 GB.
  5. Camera: 20 MP rear camera with dual-LED flash. A 4 MP front camera, known as the “UltraPixel” camera.
  6. Battery: 2840 mAh non-removable battery.
  7. Other Features: Front-facing BoomSound speakers with Dolby audio, IR blaster for remote control functionality, and a metal unibody design.

Pros:

  1. Build Quality: The metal unibody design gave the One M9 a premium feel and look, distinguishing it from many competitors.
  2. BoomSound Speakers: The front-facing stereo speakers were among the best in the smartphone market, providing rich and loud audio.
  3. Expandable Storage: The inclusion of a microSD slot was a plus, especially when many competitors were moving away from this feature.
  4. Sense UI: HTC’s Sense UI was often praised for its clean design and added features, like the BlinkFeed news aggregator.

Cons:

  1. Camera Performance: Despite the increased megapixel count, the camera was often criticized for inconsistent performance, especially in low light.
  2. Processor Concerns: The Snapdragon 810 was infamous for its heating issues, and while HTC made efforts to mitigate this, some users still reported overheating.
  3. Design Iteration: While the design was premium, it was also seen as too similar to the previous HTC One M8, leading to criticisms about lack of innovation.

Comparisons to Other Technologies:

In 2015, the HTC One M9 faced competition from various flagship devices:

  • Samsung Galaxy S6: Known for its shift to a glass and metal design, as well as its impressive camera and display.
  • LG G4: Praised for its camera capabilities, removable battery, and leather back option.
  • iPhone 6s: Apple’s flagship with its A9 chip, 3D Touch, and iOS ecosystem.

Launch Date:

The HTC One M9 was announced in March 2015 and released in the same month.

Common Issues/Problems:

  1. Camera Tint: Some early users reported a pink tint in photos taken with the camera, especially in low light.
  2. Battery Life: The battery life was considered average, with many users needing to charge before the end of the day.
  3. Heat Management: As mentioned, the Snapdragon 810’s heating issues were a concern, with some users reporting the device getting uncomfortably warm during intensive tasks.

Conclusion:

The HTC One M9 was a continuation of HTC’s focus on premium design and build quality. While it had its strengths, especially in terms of audio experience and build, it faced challenges in areas like camera performance and heat management. In a competitive market, the One M9 struggled to stand out against its peers, especially with its iterative design. Nonetheless, for fans of HTC’s design philosophy and UI, the M9 offered a solid, if somewhat familiar, experience.

Sony Xperia Z1 Compact / D5503

Xperia Z1 Compact
Xperia Z1 Compact
Xperia Z1 Compact
Xperia Z1 Compact
Xperia Z1 Compact
Xperia Z1 Compact
Xperia Z1 Compact
Xperia Z1 Compact
Xperia Z1 Compact
Xperia Z1 Compact

Overview:

The Sony Xperia Z1 Compact, also known by its model number D5503, was introduced in early 2014. It was a unique offering in the smartphone market, providing flagship-level specifications in a more compact form factor. This was Sony’s answer to consumers who wanted high-end performance without the bulk of larger devices.

Features:

  • Operating System: Android 4.3 Jelly Bean, upgradable to Android 5.1 Lollipop.
  • Display: 4.3-inch IPS LCD capacitive touchscreen with a resolution of 720 x 1280 pixels, protected by shatterproof glass.
  • Processor: Quad-core 2.2 GHz Krait 400, powered by the Qualcomm MSM8974 Snapdragon 800 chipset.
  • Memory: 16 GB internal storage, expandable via microSD up to 64 GB, and 2 GB RAM.
  • Camera: 20.7 MP rear camera with LED flash, autofocus, and a 2 MP front camera.
  • Battery: 2300 mAh non-removable battery.
  • Connectivity: Wi-Fi 802.11 a/b/g/n/ac, Bluetooth 4.0, NFC, and GPS.
  • Other Features: IP58 certified – dustproof and water-resistant over 1 meter for 30 minutes, FM Radio, and a dedicated camera button.

Pros:

  • Compact Design: A high-end smartphone in a smaller, more manageable size.
  • Impressive Camera: The 20.7 MP camera was one of the standout features, offering excellent image quality.
  • Water and Dust Resistance: The IP58 certification provided added durability.
  • Performance: Powered by a Snapdragon 800 chipset, the phone offered smooth performance and could handle demanding tasks with ease.
  • Expandable Storage: The inclusion of a microSD slot was a welcome feature for many users.

Cons:

  • Battery Life: While decent, the 2300 mAh battery could struggle to last a full day with heavy use.
  • Non-Removable Battery: Some users prefer the option to swap out batteries.
  • Screen Brightness: In direct sunlight, the screen could be a bit challenging to view.

Comparisons to Other Technologies:

In 2014, the smartphone market was highly competitive. The Xperia Z1 Compact faced competition from:

  • iPhone 5s: Apple’s flagship at the time, offering a similar compact form factor with a 4-inch display and a 64-bit A7 chipset.
  • Samsung Galaxy S4 Mini: Samsung’s smaller version of its flagship, though the Z1 Compact had superior specs.
  • HTC One Mini: Another compact version of a flagship, with a 4.3-inch display and a stylish aluminum body.

Launch Date:

The Sony Xperia Z1 Compact was announced in January 2014 and released in February 2014.

Common Issues/Problems:

  • Overheating: Some users reported the device could get quite warm, especially when using the camera for extended periods.
  • Software Updates: While the phone did receive updates, some users felt Sony was slow in rolling out the latest Android versions.
  • Flap Durability: The protective flaps covering the ports (a necessity for its water resistance) could wear out or break with frequent use.

Conclusion:

The Sony Xperia Z1 Compact was a breath of fresh air in a market dominated by increasingly larger smartphones. It proved that consumers didn’t need to compromise on performance or features when opting for a smaller device. While it had its shortcomings, it was well-received by those who valued portability alongside top-tier specifications.

Samsung Galaxy S6

The Samsung Galaxy S6 marked a significant design shift for Samsung’s flagship lineup. Here’s an in-depth review of the Samsung Galaxy S6:

Overview:

Introduced in early 2015, the Samsung Galaxy S6 was a departure from the design language of its predecessors. Samsung aimed to address criticisms of the Galaxy S5’s plastic build by introducing a more premium design with the S6, featuring glass and metal.

Features:

  1. Operating System: Shipped with Android 5.0.2 Lollipop, with Samsung’s TouchWiz UI.
  2. Display: 5.1-inch Super AMOLED with a resolution of 1440 x 2560 pixels.
  3. Processor: Exynos 7420 Octa-core.
  4. Memory: Options of 3 GB RAM with 32/64/128 GB internal storage.
  5. Camera: 16 MP rear camera with OIS and f/1.9 aperture. A 5 MP front camera.
  6. Battery: 2550 mAh non-removable battery with fast charging and wireless charging support.
  7. Other Features: Fingerprint scanner embedded in the home button, heart rate monitor, and Samsung Pay.

Pros:

  1. Design Overhaul: The combination of metal and glass gave the Galaxy S6 a premium look and feel, distinguishing it from previous Galaxy S models.
  2. Display Quality: The Quad HD Super AMOLED display was among the best in the market, offering vibrant colors, deep blacks, and excellent brightness levels.
  3. Camera Performance: The camera was a standout feature, delivering sharp, detailed photos, especially in well-lit conditions.
  4. Performance: The Exynos 7420 chipset, combined with 3 GB of RAM, ensured smooth performance and multitasking.
  5. Fast and Wireless Charging: The S6 introduced both fast wired charging and wireless charging, enhancing user convenience.

Cons:

  1. No Expandable Storage: Unlike its predecessors, the S6 did not feature a microSD card slot for storage expansion.
  2. Non-removable Battery: The shift to a sealed design meant users could no longer replace the battery.
  3. Battery Life: The 2550 mAh battery was considered average, with many users finding the need to charge before the day’s end, especially with heavy use.

Comparisons to Other Technologies:

In 2015, the Galaxy S6 faced competition from various flagship devices:

  • LG G4: Known for its camera capabilities, removable battery, and leather back option.
  • iPhone 6: Apple’s flagship with its A8 chip, improved camera, and iOS ecosystem.
  • HTC One M9: Featuring a premium metal unibody design and BoomSound speakers.

Launch Date:

The Samsung Galaxy S6 was announced in March 2015 and released in April 2015.

Common Issues/Problems:

  1. Battery Degradation: Over time, some users reported a noticeable decline in battery life, which was exacerbated by the fact that the battery was non-removable.
  2. Software Bloat: While Samsung reduced some of the bloatware on the S6 compared to previous models, the device still came with a number of pre-installed apps that not all users found useful.
  3. Glass Durability: The glass back, while premium, was prone to cracks and breaks if dropped.

Conclusion:

The Samsung Galaxy S6 represented a pivotal moment for Samsung in the smartphone market. With its revamped design and focus on premium materials, it addressed many criticisms of previous Galaxy models. While it made some controversial decisions, like removing the microSD slot and sealing the battery, the overall package was well-received. The S6 laid the foundation for the design language of future Galaxy devices and solidified Samsung’s position as a leader in the premium smartphone segment.