The alcatel Tetra Explained: Review, Features and Detailed Specs

The alcatel Tetra is a small, simple phone from a time when a budget handset did not try to do everything. This alcatel Tetra review with MediaTek MT6739WM processor looks at the phone as it was in 2018: a T-Mobile USA carrier model built for calls, messages, light apps, and basic photos, sold at a very low price. The alcatel Tetra specifications and full hardware details show a modest 5.0-inch screen, 2GB of RAM, 16GB of internal memory, a 5MP rear camera, and a removable battery — a combination that made sense for first-time smartphone owners and for people who wanted a spare phone.

It was announced and released in September 2018, and it is now a discontinued model, so this article treats it as a classic budget phone from that year rather than a current rival to modern handsets. The alcatel Tetra September 2018 release date and launch placed it in the entry-level range for T-Mobile customers in the United States, where a low upfront price mattered more than raw speed. The alcatel Tetra price in USA T-Mobile 2018 was around 50 US dollars, or about 40 euros in equivalent terms, which explains almost every choice in its hardware. This alcatel Tetra discontinued budget phone from 2018 was never meant to lead on performance, and judging it by 2026 standards would miss the point. Instead, the useful question is whether the parts worked well together for the simple jobs it was sold to do.

For readers who want to compare it with close relatives from the same brand and era, the Getting to Know the alcatel 1: Review and Detailed Specs gives a helpful reference point, because the alcatel 1 sat in a similar low-cost space. The alcatel Tetra vs alcatel 1 comparison budget phones buyers once made was really a choice between two modest phones with small screens, small batteries, and Android 8.1, rather than a contest of flagship features.

Design and Build

The Tetra looks plain and practical, with a plastic body, a removable back cover, and a compact shape that fits easily in one hand. At 150 grams and 9.4 mm thick, it is light without feeling hollow, and the size makes it easy to carry in a pocket or a small bag. The alcatel Tetra weight 150 grams thickness 9.4 mm puts it in the comfortable range for a 5.0-inch phone, and the plastic construction helped keep the price down while also making the back cover easy to remove when the battery needed to be swapped. This is a 5 inch phone in the classic sense: a screen that a thumb can reach across, with bezels above and below that look dated now but were normal for a budget phone in 2018.

There is no fingerprint reader, no water resistance rating, and no premium metal frame to discuss, and that honesty is part of the design. The phone was simple, affordable, and easy to repair in the ways that mattered to its buyers, with a battery that could be taken out and a memory card slot for extra space. The alcatel Tetra 150g lightweight design and plastic body also meant that a drop was less likely to crack a glass back, because there was no glass back to crack. It was a practical tool, not a showpiece, and the design reflects that brief without apology.

Dimensions, Weight and Materials

The alcatel Tetra dimensions are 146.9 x 71.9 x 9.4 mm, with a weight of 150 grams, so the phone is short, narrow, and easy to hold for long calls. The plastic body has a matte finish that resists fingerprints better than glossy glass, and the removable cover gives access to the battery, the SIM tray, and the memory card slot. The alcatel Tetra T-Mobile USA carrier model details include a single Nano-SIM slot, which was the standard for a carrier phone of this type, and the layout keeps the power and volume buttons within easy reach on the side.

In the Hand in Daily Use

In daily use, the compact size is the main advantage. Typing with one hand is easy, the phone does not stretch a pocket, and the light weight means it is comfortable during long calls. The trade-off is that the thick bezels and the small screen leave less room for video and web pages than a larger modern phone, but for a buyer in 2018 who wanted a phone that was easy to carry and easy to hold, the shape was a sensible choice.

Ports and Physical Layout

The phone uses a microUSB port for charging and data, a 3.5 mm headphone jack for wired audio, and a loudspeaker on the body for calls and alerts. The alcatel Tetra single SIM Nano SIM connectivity options are straightforward: one Nano-SIM, a microSDXC slot, Wi-Fi, Bluetooth, GPS, and a microUSB connection. There is no USB-C port and no fast charging system, which is consistent with the price and the year, and owners who still use the phone today will need a microUSB cable rather than the cable used by most newer phones.

Display

The display is a 5.0-inch IPS LCD panel with a resolution of 480 x 854 pixels, a 16:9 aspect ratio, and a pixel density of about 196 pixels per inch. The alcatel Tetra display size 5.0 inch IPS LCD is modest by any measure, but the IPS technology gives decent viewing angles for a screen in this price range, and colours look natural rather than oversaturated. The alcatel Tetra 480×854 resolution screen pixel density means text is readable but not sharp, and small print can look soft when compared with a 720p or 1080p panel. For calls, messages, and simple apps, the screen is adequate; for long reading sessions or high-definition video, its limits are easy to see.

The alcatel Tetra IPS LCD display viewing angles review notes that the panel holds up reasonably well when viewed from the side, which helps when showing a photo to another person or glancing at the phone on a table. The alcatel Tetra screen is protected by Asahi Dragontrail Glass, a detail that matters for a budget phone that may be carried without a case. The alcatel Tetra Asahi Dragontrail Glass screen protection adds scratch resistance to the front, although it does not make the phone immune to damage from a hard drop onto a rough surface.

Resolution, Size and Pixel Density

At 480 x 854 pixels across 5.0 inches, the display delivers about 196 ppi, which was low even in 2018 but was a known compromise at this price. Icons and menus remain clear, video plays in a small window, and web pages need more scrolling than on a larger screen. The alcatel Tetra 5.0 inch 16 by 9 display ratio gives a traditional widescreen shape for video, without the tall ratio that later phones adopted, so videos fill the screen without large black bars in the usual 16:9 format.

Brightness and Outdoor Visibility

Brightness is adequate indoors and in shade, but the screen can be hard to read in direct sunlight, as with most budget LCD panels of the period. Turning the brightness up helps, and the small battery means that owners may want to keep brightness at a moderate level to save power. This is a normal limitation for an entry-level phone, and it does not prevent the phone from doing its main jobs.

Performance and Hardware

Performance comes from the MediaTek MT6739WM, a 28 nm chipset with a quad-core 1.1 GHz Cortex-A53 processor and PowerVR GE8100 graphics. The alcatel Tetra MediaTek MT6739WM 28nm chipset explained in plain terms is a low-power chip built for basic tasks: it can run calls, messaging, email, maps, and light apps, but it is not built for heavy games or for running many demanding apps at once. The alcatel Tetra quad core 1.1 GHz Cortex A53 processor keeps power use low, which suits the small battery, and the alcatel Tetra PowerVR GE8100 graphics performance test results of the era placed it firmly in the entry-level group, able to handle simple games and video playback but not demanding 3D titles.

The alcatel Tetra 2GB RAM 16GB storage performance is the other half of the story. Two gigabytes of RAM is enough for one or two apps at a time, but switching between several apps can cause reloads, and 16GB of internal memory fills quickly once apps, photos, and updates are added. The alcatel Tetra 16GB internal storage space for apps is therefore best paired with a memory card, and the alcatel Tetra microSDXC card slot expandable storage option is an important feature for owners who want to keep photos and music on the phone. The alcatel Tetra processor and the alcatel Tetra memory work together in a balanced way for a budget phone: neither part is fast, but neither part is wildly out of step with the other.

Readers who want a broader view of the brand’s larger phones from the same period can look at the alcatel 7 Complete Specifications: Every Detail, From Design to Battery Life, which shows how alcatel scaled the same ideas up to a bigger screen and a bigger battery. The contrast helps explain where the Tetra sits: it is the smaller, cheaper, simpler member of the family, and its hardware choices follow from that position.

Chipset, RAM and Storage

The alcatel Tetra chipset is the MediaTek MT6739WM, the alcatel Tetra RAM is 2GB, and the alcatel Tetra storage is 16GB with microSDXC expansion. The alcatel Tetra performance in everyday use is best described as steady rather than quick: opening an app takes a moment, scrolling is smooth in simple apps, and the phone is happiest when it is asked to do one thing at a time. This is an entry-level phone, and the alcatel Tetra software is tuned for that role, with Android 8.1 running without a heavy custom skin that would slow it further.

Software: Android 8.1 Oreo

The Tetra shipped with Android 8.1 Oreo, the full version of the system, not the Go edition made for very low-memory phones. The alcatel Tetra Android Oreo full version not Go edition is an important detail, because it means owners got the standard Android 8.1 experience, with the usual settings, notifications, and app support of that release. The alcatel Tetra Android 8.1 Oreo software features include notification dots, picture-in-picture for supported apps, autofill, and the permission controls that arrived with Oreo, all presented in a fairly clean interface close to stock Android.

As a 2018 phone, it does not receive modern Android updates, and many newer apps now need a newer system version, so the software story is now a historical one. The alcatel Tetra software was simple to learn, with a familiar app drawer, Google apps preinstalled, and T-Mobile apps for the carrier model. The alcatel Tetra Android experience is therefore best understood as a snapshot of Android Oreo on a low-cost phone: clear, functional, and limited by the hardware and by the end of official support. For a closer look at another alcatel phone from the same software era, the Our alcatel 1c (2019) Review: Software, Build Quality and Detailed Specs covers similar ground on software and build quality.

Camera

The camera system is basic: a 5MP rear camera with autofocus and a 2MP front camera for selfies and video calls. The alcatel Tetra camera is not a selling point for photography, but it is a useful tool for quick snapshots, scanning a document, or recording a short memory in good light. The alcatel Tetra camera quality 5MP rear camera is at its best outdoors in daylight, where colours are acceptable and detail is enough for sharing on a small screen, while indoor and low-light photos show noise and soft detail, as expected from a small sensor and a simple lens.

Video recording is limited to 720p at 30 frames per second from the rear camera, which matches the rest of the hardware. The phone was calls, messages, maps, and light apps first and a camera second, and owners who needed a serious camera in 2018 would have looked at a more expensive phone. For the Tetra, the camera was a convenience feature, and it works in that role when expectations are kept in line with the price.

Rear Camera

The alcatel Tetra 5MP autofocus rear camera photo samples from the period show usable daylight images with reasonable colour, a single LED flash for close subjects in the dark, and HDR support for scenes with bright and dark areas. The rear camera has autofocus, which helps when photographing a document or a nearby object, and the simple camera app keeps controls to a minimum: photo, video, panorama, and a few basic modes. The alcatel Tetra camera quality in low light is limited, so the best results come from steady hands, good light, and close subjects.

Front Camera

The alcatel Tetra front camera 2MP selfie quality is modest, with enough detail for a video call or a casual selfie in good light, but soft results in dim rooms. The front camera records video at 720p, which is enough for a call, and it has no flash of its own, so selfies depend on the light in the room. For a budget phone in 2018, a 2MP front camera was a normal choice, and it does the job it was designed for without pretending to be more.

Battery Life

The battery is a Li-Ion 2050 mAh unit, and it is removable, which is now a rare feature. The alcatel Tetra battery life with removable 2050 mAh capacity is shaped by the small screen, the low-power chipset, and the modest demands of Android 8.1, so a light user could get through a day of calls and messages, while heavy use would need a top-up or a spare battery. The alcatel Tetra 2050 mAh Li-Ion battery capacity explained simply is a small tank for a small phone: it does not need to power a large bright screen or a fast processor, so the phone can last longer than the number alone might suggest. The alcatel Tetra battery is rated for about 10 hours of talk time on 3G and about 350 hours of standby, according to the published figures for the model.

The removable design is the real advantage. The alcatel Tetra removable battery replacement guide for users is straightforward in concept: take off the back cover, lift out the old battery, and fit a compatible replacement, with no tools and no glued parts to fight. That made the phone basic everyday tasks friendly for owners who wanted to keep a spare charged, and it also made a worn battery easy to replace instead of replacing the whole phone. Charging is by microUSB at a modest rate, with no fast charging, so a full charge takes a couple of hours. The Breaking Down the alcatel 1x (2019): Review, Charging Speed and Full Specs is a useful comparison for readers who want to see how charging and battery thinking changed on later low-cost alcatel models.

Full Specifications

The table below gathers the alcatel Tetra specifications and full hardware details in one place, using the verified figures for the T-Mobile USA model announced and released in September 2018. The alcatel Tetra specs in this table are the reference for the rest of the article, and the alcatel Tetra features listed here are the ones buyers could actually use, without added claims about later features that the phone never had.

The alcatel Tetra connectivity features in the table cover the essentials for a 2018 budget phone, and the alcatel Tetra WiFi Bluetooth GPS connectivity features list shows that the phone had the wireless tools most owners needed, without extra radios that would have raised the price. The alcatel Tetra price of about 50 dollars in the United States explains why the list is short: every part was chosen to keep the cost down while keeping the phone usable.

Pros and Cons

The Tetra is easy to judge once its price and year are kept in mind. It was a budget classic phone for basic use, and its strengths are the strengths of a simple phone: low price, small size, removable battery, and a clean version of Android. Its weaknesses are the weaknesses of the same brief: a low-resolution screen, slow performance, a basic camera, and a small amount of memory. The alcatel Tetra budget classic phone for basic use is therefore a good match for a narrow set of needs and a poor match for heavy modern use.

Pros: very low price at launch; compact and light at 150 grams; removable 2050 mAh battery that is easy to replace; microSDXC expansion for photos and music; full Android 8.1 Oreo rather than a cut-down edition; Asahi Dragontrail Glass on the screen; simple, easy-to-learn software. Cons: 480 x 854 display is soft and dim outdoors; 2GB RAM and 16GB memory fill quickly; MediaTek MT6739WM is slow for demanding apps; 5MP rear camera and 2MP front camera are basic; no fingerprint reader and no fast charging; microUSB rather than USB-C; discontinued, with no modern software updates. The alcatel Tetra verdict that follows from this balance is that the phone did its intended job well for its price and time, and that its limits are the price of that low cost.

For a different take on a larger alcatel phone with a bigger screen and a focus on audio, the The Complete alcatel 5v Review: Specs, Audio and Verdict shows how the brand balanced size, sound, and price at the next step up. The comparison underlines a simple point: the Tetra was the small, cheap, practical option, and the 5v was a step toward a larger media phone.

FAQ

When was the alcatel Tetra released?

The alcatel Tetra release was in September 2018, the same month it was announced. The alcatel Tetra 2018 launch made it a T-Mobile USA model for the entry-level market, and it is now discontinued, so new units are no longer sold through the carrier.

What chipset does the alcatel Tetra use?

The alcatel Tetra chipset is the MediaTek MT6739WM, a 28 nm chip with a quad-core 1.1 GHz Cortex-A53 processor and PowerVR GE8100 graphics. The alcatel Tetra processor is built for low power and basic tasks, and the alcatel Tetra performance reflects that design: steady for calls, messages, and light apps, and slow for heavy games.

How much RAM and storage does the alcatel Tetra have?

The alcatel Tetra RAM is 2GB and the alcatel Tetra storage is 16GB, with a microSDXC slot for expansion. The alcatel Tetra memory is small by modern standards, so owners should use a memory card for photos and music and keep the number of installed apps modest.

Is the alcatel Tetra battery removable?

Yes. The alcatel Tetra battery is a removable Li-Ion 2050 mAh unit, and the back cover can be taken off to swap it. This removable battery phone design is now uncommon, and it made a worn battery easy to replace without replacing the whole handset.

What version of Android does the alcatel Tetra run?

The alcatel Tetra Android version is 8.1 Oreo, the full version, not the Go edition. This Android Oreo phone shipped with the standard Oreo features of its time, and it does not receive modern Android updates, so newer apps may need a newer system.

The alcatel Tetra design, the alcatel Tetra display, and the alcatel Tetra features together tell a consistent story: a small 2018 budget phone that traded speed and sharpness for price, size, and simplicity. The alcatel Tetra price, the alcatel Tetra camera, and the alcatel Tetra discontinued status all point to the same conclusion for collectors and for readers studying the history of low-cost phones — this was a phone for basic use, built to a price, and it met that brief. It was low price and low demands in one compact package, and that is the fairest way to remember it.