ZTE nubia A57 4GB/64GB smartphone
The ZTE nubia A57 is a large-screen 4G smartphone. The reviewed BiponiBD record is presented as the 4GB RAM / 64GB storage selection: its existing BDT 16,999 MSRP matches Star Tech’s current 4GB/64GB selection, while 4GB/128GB is offered separately by Bangladesh retailers. Because the BiponiBD variant record itself was generic, confirm the storage capacity shown at checkout before ordering. Do not treat the two storage versions as the same variant.
nubia’s official global product page confirms the headline 6.75-inch HD+ 120Hz display, 740-nit HBM, IP64 rating, 5000mAh battery, 22.5W charger, bypass charging, up to 2TB expansion and 4.5G marketing. Star Tech’s Bangladesh page supplies local variant options, Android version and many regional specifications. Retailer descriptions include conflicts and questionable copied values, especially physical dimensions; those are called out rather than presented as confirmed facts. Star Tech identifies 52429 as its Product Code, not a manufacturer MPN. Exact unit MPN and GTIN are not verified. Ayshamart currently lists 4GB/64GB at BDT 15,599, and Star Tech lists BDT 16,999 In Stock. These dated seller observations are a comparison range only, not a BiponiBD offer or checkout-price guarantee.
6.75-inch HD+ 120Hz display
The nubia A57 has a 6.75-inch HD+ screen with up to 120Hz refresh according to nubia and the Bangladesh retailer listing. Star Tech gives a resolution of 720 × 1570 pixels, around 256 pixels per inch. The high refresh rate can make supported scrolling and interface animation look smoother than a conventional 60Hz panel, but not every app or setting runs at 120Hz, and refresh rate does not add pixels. HD+ is a practical everyday resolution but has less fine detail than Full HD at this size. nubia advertises 740-nit HBM for brighter conditions; actual outdoor visibility depends on light, viewing angle, settings and content. Star Tech identifies the panel as IPS LCD. Exact display protection is not established by the official page reviewed, so no glass-grade claim is made.
Unisoc T7250 and 4GB physical memory
Star Tech lists a Unisoc T7250 built on a 12nm process, with Mali-G57 MP1 graphics. nubia’s official page describes an octa-core processor up to 1.8GHz without specifying the core arrangement. Star Tech lists two Cortex-A75 cores at 1.8GHz and six Cortex-A55 cores at 1.6GHz; treat that architecture detail as retailer-reported and confirm against the regional device information if it matters. This catalog variant is 4GB physical RAM and 64GB storage. nubia advertises dynamic RAM expansion up to a total of 12GB, but software-assisted memory uses storage and is not equivalent to installed RAM. Performance depends on apps, storage space, temperature and software; the phone is positioned for calls, messaging, browsing, maps, social apps, video and casual games. Demanding games and heavy multitasking may require lower settings. No benchmark or promise of guaranteed long-term smoothness is made here.
64GB storage and card expansion
The selected catalog configuration is 64GB internal storage. Retailers separately list a 128GB version; the values should remain attached to separate variants. nubia advertises expandable storage up to 2TB through a microSD card. The official marketing page confirms expandable storage, while exact tray arrangement should be checked on the local unit: some phones share a tray and others provide separate slots. Operating system and preinstalled apps reduce free capacity. A memory card is useful for supported photos, documents and media, but may not replace internal storage for every application. Check the order confirmation for 4GB/64GB before payment.
13MP rear AI camera and 8MP selfie camera
nubia advertises a 13MP AI camera. Star Tech and other local retailers list a 13MP rear camera with LED flash and an 8MP front camera. Retailers also describe 1080p recording at 30fps, but the official marketing page reviewed does not provide a video-resolution table; treat that mode as seller-reported until confirmed on the local handset. A main camera at this resolution can capture everyday scenes, receipts and daylight photos; image quality also depends on sensor, lens, autofocus, processing and lighting. nubia promotes multi-camera simultaneous recording and night-shooting modes, which may be software- or region-dependent. Do not assume every marketing mode is available in every app or firmware build. No optical stabilization or low-light quality guarantee is listed in the reviewed official source.
5000mAh battery, 22.5W charging and bypass mode
The official nubia page lists a 5000mAh battery and 22.5W fast charger, and advertises bypass charging. Bypass mode may power supported use directly from the adapter to reduce battery heat, but availability depends on the feature being present in the regional software and supported conditions. Battery life varies with screen refresh, brightness, network coverage, calls, GPS, games and background apps. Charging speed changes with battery level, temperature, adapter and cable. The marketing page’s up-to-two-day and four-year battery-health statements are manufacturer test or promotional claims, not guaranteed results for every person. Confirm whether the local sealed package includes the 22.5W charger; retailer listing claims do not by themselves prove the contents of BiponiBD stock.
Android 16, security and sensors
Star Tech lists Android 16 for its Bangladesh listing; nubia’s global product page also promotes features such as Circle to Search, face unlock and side fingerprint unlock. The exact regional software build, preinstalled apps and update commitment should be confirmed on the delivered phone. The available local retailer pages mention accelerometer and proximity sensors, while compass presence varies across retailer records. The exact sensor list for BiponiBD stock is therefore not asserted here. A side-mounted fingerprint reader provides a physical unlock option; face unlock can depend on front-camera view and software. No guaranteed number of Android version upgrades or security-update period was found on the reviewed manufacturer page.
IP64, materials, colors and dimensions
nubia rates the A57 IP64 for dust and water-splash resistance. This is not a waterproof rating and does not mean the handset can be submerged, rinsed or charged while wet. nubia’s official marketing page states a slim 7.95mm design. Bangladesh retailer records list approximately 193g, but one retailer’s complete dimensions (160.1 × 70.4 × 8mm) appear inconsistent with the stated 6.75-inch display and have not been adopted as verified. Ask the seller for the exact local model dimensions if fit or weight is critical. Local retailers list Silver, Black and Orange; the exact BiponiBD color and match between the catalog image and physical unit are unconfirmed. Image rights and original image dimensions are not documented in this review.
SIM, 4.5G and wireless connectivity
nubia markets 4.5G and local retailers describe 2G, 3G and 4G with dual Nano SIM. It is not a 5G device. Exact LTE bands, VoLTE availability and carrier certification for the BiponiBD stock unit are not independently verified. Star Tech lists Bluetooth 5.2, GPS, Galileo, GLONASS, USB Type-C 2.0, OTG and a 3.5mm audio jack. Wi-Fi details differ across retailer descriptions, so exact dual-band support should be checked on the actual regional device rather than inferred from a generic family record. Connectivity depends on local carrier coverage, SIM configuration, software and accessories. Confirm the audio port and card tray if those features are important to you.
Who may consider the nubia A57?
The A57 4GB/64GB may fit buyers looking for a large 120Hz screen, a 5000mAh battery, 4G connectivity, expandable storage and a straightforward side fingerprint reader. Its HD+ resolution and 4GB physical RAM are budget-class tradeoffs. Buyers who need 5G, a high-resolution display, intensive gaming performance, fully documented LTE bands or a verified BiponiBD warranty should compare alternatives and ask for written details. Confirm the 64GB selection, color, charger/accessories, VAT or other charges, stock and final checkout price before payment.
Advantages
- 6.75-inch HD+ panel with up to 120Hz refresh and 740-nit HBM.
- 5000mAh battery, 22.5W charging and advertised bypass charging.
- Official nubia page advertises IP64 protection and up to 2TB storage expansion.
- 4GB/64GB current Bangladesh seller observations span BDT 15,599–16,999.
- Side fingerprint and face unlock marketing; dual SIM and common 4G features listed locally.
Limitations and buyer checks
- HD+ rather than Full HD, and 4GB physical RAM for entry-level workloads.
- No 5G; exact local LTE bands and VoLTE remain unverified.
- Dimensions, exact sensor list, Wi-Fi bands and box contents vary or conflict across retailer descriptions.
- IP64 is splash/dust protection, not safe immersion.
- Exact BiponiBD storage selection, offer, warranty, color and image provenance require confirmation.
Frequently asked questions
Which memory configuration is listed on this BiponiBD record?
The record is being presented as 4GB RAM / 64GB storage because that matches its catalog price and the current Star Tech selection. Retailers also sell a separate 4GB/128GB version; confirm the selected capacity on the BiponiBD order.
What display does the nubia A57 have?
A 6.75-inch HD+ display with up to 120Hz refresh and 740-nit HBM according to nubia and Bangladesh retailer specifications. Star Tech lists 720 x 1570 pixels.
Which processor and Android version are specified?
Star Tech lists Unisoc T7250 (12nm) and Android 16. The official global page describes an octa-core processor up to 1.8GHz; verify the exact Bangladesh software build.
What are its cameras?
nubia markets a 13MP AI camera; Bangladesh retailer listings identify a 13MP rear and 8MP front camera. Their video mode claims are seller-reported and should be checked on the local unit.
How much battery and charging power does it support?
The official nubia page lists a 5000mAh battery and 22.5W fast charging, and advertises bypass charging. Runtime and actual charging power vary with use and conditions.
Does it support microSD and 5G?
nubia advertises storage expansion up to 2TB. The official product page calls the network 4.5G and local retailers list 4G; it is not a 5G phone.
What is the current Bangladesh price for 4GB/64GB?
Ayshamart lists BDT 15,599 and Star Tech lists BDT 16,999 In Stock on the checked pages. These are dated seller observations, not a BiponiBD checkout price.
Is the phone waterproof and what warranty applies?
IP64 is for dust and splashes, not immersion. The reviewed retailer warranty does not establish BiponiBD order coverage; confirm written warranty terms before ordering.
What colors and accessories are included?
Local sellers list Silver, Black and Orange, but exact BiponiBD stock color and package contents are unverified. Ask the seller to confirm the color and in-box charger/accessories.
Sources and verification
Core marketing specifications are attributed to nubia’s official global product page. Bangladesh retailer-specific details and current prices are identified as seller observations. Confirm regional specifications and the actual BiponiBD offer before ordering.