Designed around the hand
Controls, cameras and information zones are placed for quick one-handed use without sacrificing a clear full-screen experience.
oPhone A4 · Mobile DevicesAlways-connected flagship
oPhone A4
From the ground to the sky.
oPhone A4 pairs a 2K multi-touch display, AI1-class silicon and satellite connectivity ideas to extend a daily phone into a travel and emergency communication centre.
From ¥4,499 · Concept delivery estimate: 2–3 weeksAlways-connected flagshipoPhone A4
2KDesign specification
3 satellitesDesign specification
2 TBStorage
¥4,499Concept starting price
Product Overview
From an original drawing to a complete product.
The structure, capabilities, specifications and options in the design archive are organised into a complete product story, including system, connectivity, privacy and service details.
Intelligence that stays close
Imaging, language and everyday suggestions are prioritised on-device, with visible controls for privacy and user choice.
oPhone A4 · Mobile DevicesA complete mobile system
Display, battery, thermal design, connectivity and HMGO_OS are tuned as one product rather than a collection of isolated specifications.
oPhone A4 · Mobile DevicesOriginal Design Archive
Every detail begins with this drawing.
This original design archive is the primary source for the page. Legible dimensions, interfaces, capacities, silicon and options are carried into the specifications and configurator; unclear areas follow the logic of the same product family.
Compiled from product PDFs, original design drawings and family configuration logic
01
Highlight 01
Designed around the hand
Controls, cameras and information zones are placed for quick one-handed use without sacrificing a clear full-screen experience.oPhone A4 treats this capability as part of a complete hardware, software and interaction chain. The original design archive is translated into a coherent product system while leaving room for engineering validation and future revisions.
- 2K · Design specification
- 3 satellites · Design specification
- 2 TB · Storage
02
Highlight 02
Intelligence that stays close
Imaging, language and everyday suggestions are prioritised on-device, with visible controls for privacy and user choice.oPhone A4 treats this capability as part of a complete hardware, software and interaction chain. The original design archive is translated into a coherent product system while leaving room for engineering validation and future revisions.
- 2K · Design specification
- 3 satellites · Design specification
- 2 TB · Storage
03
Highlight 03
A complete mobile system
Display, battery, thermal design, connectivity and HMGO_OS are tuned as one product rather than a collection of isolated specifications.oPhone A4 treats this capability as part of a complete hardware, software and interaction chain. The original design archive is translated into a coherent product system while leaving room for engineering validation and future revisions.
- 2K · Design specification
- 3 satellites · Design specification
- 2 TB · Storage
04
Deep dive 01
Display, touch and reach belong on the same drawing.
A screen is defined by what the thumb can reach and what the eye can recognise instantly.Notifications, imaging, quick controls and system status are organised around a clear central content area. Common actions sit near natural reach zones, while portrait and landscape layouts preserve the same hierarchy.
- Adaptive high-refresh display
- Ambient colour and brightness
- One-handed control zones
- Accidental-touch rejection
05
Deep dive 02
Local intelligence begins before the shutter.
Framing, focus, noise reduction, organisation and search can happen directly on the device.HMGO silicon handles real-time visual, language and audio understanding while keeping suggestions optional. Original material remains available and intelligent assistance can be reduced or disabled.
- On-device scene understanding
- Offline voice and summaries
- Private processing zones
- Optional proactive suggestions
06
Deep dive 03
Peak performance is only useful when it lasts.
Thermals, battery and networking are scheduled around the task rather than a benchmark moment.Light work uses efficient resources. Demanding capture, navigation and communication receive reserved performance and connectivity budgets so the device remains predictable during long sessions.
- Adaptive power allocation
- Multi-network handoff
- High-speed USB-C
- Battery health management
Technical Specifications
The complete specification, clearly organised.
Core design specifications
- Design specification
- 2K
- Design specification
- 3 satellites
- Storage
- 2 TB
- Platform
- oPhone A4 with an HMGO_OS experience developed for this product category
- Product status
- Original concept specification; subject to engineering validation
Hardware & connectivity
- Display
- Adaptive high-refresh HDR/XDR display concept
- Authentication
- Secure face or fingerprint recognition by model
- Audio
- Stereo speakers and beam-forming microphones
- Wireless
- Cellular, Wi-Fi, Bluetooth and positioning
- Battery
- All-day target with health-aware charging
- I/O
- High-speed USB-C connectivity
System, privacy & service
- Operating system
- An HMGO_OS experience developed for oPhone A4
- Local intelligence
- Text, audio, images and task suggestions are prioritised on-device
- Privacy
- Permission history, sensitive-data isolation and optional intelligent features
- Cloud services
- Optional oCloud continuity for files, settings and projects
- Coverage
- Standard limited warranty with optional HMGO Care or Care+
- Accessibility
- Display, hearing, mobility and cognitive accessibility concepts
* This is an HMGO concept product archive. Details not clearly marked in the original PDFs are completed according to the positioning of the same product family. Final hardware, software, pricing and delivery plans remain subject to formal release.
Configure Yours
Configure oPhone A4 around your work.
Select performance, memory, storage, finish and coverage. Every upgrade is reflected in the total immediately.
From ¥4,499View pricingAlways-connected flagshipoPhone A4
Questions & Answers
Questions about this product.
Is oPhone A4 available to buy today?＋
This page presents a complete concept developed from the original design archive. Names, specifications, materials, prices and delivery plans may change after engineering validation.
Where do the configuration prices come from?＋
Clearly legible starting prices and upgrades come from the design documents. Missing or unreadable items are completed using the same product family's capacity, performance and service structure, and are labelled as conceptual pricing.
Can I see and price a complete configuration?＋
Yes. Open the Pricing & Configuration page for oPhone A4 to select performance, memory, storage, finish and coverage while the conceptual total updates immediately.
Is the original design material preserved?＋
Yes. The product archive remains on the page, and legible structures, interfaces and options are rewritten as clearer web content without presenting uncertain details as released facts.