{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.nokia-6720-classic","code":"thing-q3646723","url":"https://ver.cy/models/thing/q3646723/","name":"Nokia 6720 classic","alternateNames":[],"kind":"thing","status":"published","version":"0.1.0-research.1","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.OBJ"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"The Nokia 6720 classic is a Nokia candybar smartphone model introduced in 2009, running Symbian OS with the S60 interface and combining cellular telephony, a physical numeric keypad, GPS navigation and a five-megapixel camera.","purpose":"Enable an AI agent to recognise the Nokia 6720 classic product model, assess evidence about a particular handset, and determine compatible, safe and feasible actions.","scope":{"in":["Product identity and distinctions from similarly named Nokia phones, especially the Nokia 6700 classic.","Hardware and regional variants that affect network, battery, accessory and software compatibility.","Physical controls, display, imaging, audio and positioning capabilities.","Software environment, local data handling and dependence on external services.","Evidence needed to assess an individual handset's operating condition and permitted maintenance."],"out":["The Nokia brand, corporate history and wider handset catalogue.","Generic cellular-network architecture and operator infrastructure.","Subscriber accounts, tariffs and ownership of telephone numbers.","Independent models of batteries, chargers, memory cards and headsets.","The personal content, account credentials and ownership history of a particular handset."],"boundaries":[]},"distinguishingFeatures":["Check that the handset identification label explicitly names Nokia 6720 classic; visual resemblance or a seller's title is insufficient.","Cross-check the hardware type identifier and software-reported identity against documentation for the Nokia 6720 classic.","Compare front controls, rear camera assembly and connector placement with a documented 6720 classic reference rather than a similarly named 6700 classic.","Treat housing colour, operator branding and installed themes as supporting evidence rather than decisive model identifiers."],"structure":{"bundles":[{"id":"identity-and-variant","name":"Identity and variant","description":"Establish what qualifies as a Nokia 6720 classic and which compatibility-relevant variant is represented.","layers":[{"id":"product-recognition","name":"Product recognition","description":"Relate visible and reported identity to the registered product model.","findings":[{"id":"corroborated-model-identity","name":"Corroborated model identity","description":"Require agreement between independent identity evidence before applying 6720 classic specifications.","questions":[{"text":"Which label markings, software identity fields and physical details establish that this is a Nokia 6720 classic rather than a Nokia 6700 classic or another handset?","id":"corroborated-model-identity-q01","kind":"definition"},{"text":"Which manufacturer document or authenticated reference supports each identification test?","id":"corroborated-model-identity-q02","kind":"provenance"}]}]},{"id":"variant-boundaries","name":"Variant boundaries","description":"Separate the registered model from regional implementations and individual units.","findings":[{"id":"hardware-and-product-code","name":"Hardware and product code","description":"Use verified type identifiers and product codes to qualify specifications without turning every handset into a separate model.","questions":[{"text":"Which hardware type identifiers and product codes belong to the Nokia 6720 classic, and what differences do they encode?","id":"hardware-and-product-code-q01","kind":"boundary"},{"text":"Does this handset's label agree with its reported software identity, and how should a disagreement limit further actions?","id":"hardware-and-product-code-q02","kind":"action"}]}]}]},{"id":"radio-and-service-viability","name":"Radio and service viability","description":"Connect the 6720 classic's documented radio capabilities to services available at a particular place and time.","layers":[{"id":"radio-compatibility","name":"Radio compatibility","description":"Resolve supported technologies and bands for the identified variant.","findings":[{"id":"variant-network-match","name":"Variant network match","description":"Assess network compatibility using variant-specific specifications and current operator evidence.","questions":[{"text":"Which cellular technologies and frequency bands in MHz are documented for this 6720 classic hardware variant?","id":"variant-network-match-q01","kind":"measurement"},{"text":"Does the target operator currently provide compatible registration, voice, messaging and data service in the intended location?","id":"variant-network-match-q02","kind":"action"}]}]},{"id":"registration-and-call-state","name":"Registration and call state","description":"Distinguish network absence from SIM, provisioning, lock and handset faults.","findings":[{"id":"service-failure-isolation","name":"Service failure isolation","description":"Record registration and call observations separately from presumed hardware defects.","questions":[{"text":"With an authorised compatible SIM, what registration state and voice, message and data results does the handset report?","id":"service-failure-isolation-q01","kind":"measurement"},{"text":"What evidence separates a network shutdown, SIM problem, operator lock, account restriction and radio fault before repair is proposed?","id":"service-failure-isolation-q02","kind":"action"}]}]}]},{"id":"controls-capture-and-navigation","name":"Controls, capture and navigation","description":"Describe the physical interaction and media functions that make a 6720 classic usable as a handset.","layers":[{"id":"handset-interaction","name":"Handset interaction","description":"Assess the display, keypad and audio paths against documented control behaviour.","findings":[{"id":"control-and-audio-integrity","name":"Control and audio integrity","description":"Map the documented 6720 classic controls to observable responses and isolate failures by input or output path.","questions":[{"text":"Which keys, shortcuts, connectors and audio routes are documented for the 6720 classic, and what should each do?","id":"control-and-audio-integrity-q01","kind":"definition"},{"text":"Which display regions, keys, microphone and speaker paths pass direct tests, and under what settings?","id":"control-and-audio-integrity-q02","kind":"measurement"}]}]},{"id":"imaging-and-positioning","name":"Imaging and positioning","description":"Separate capture and positioning hardware from storage, settings and supporting services.","findings":[{"id":"capture-and-location-evidence","name":"Capture and location evidence","description":"Qualify camera and navigation capabilities with documentation and observed results rather than menu presence.","questions":[{"text":"Which camera, video and positioning capabilities are documented for the 6720 classic, and which can be demonstrated on this handset?","id":"capture-and-location-evidence-q01","kind":"measurement"},{"text":"Which positioning and map functions require downloaded content or external assistance, and which operate with locally available resources?","id":"capture-and-location-evidence-q02","kind":"boundary"}]}]}]},{"id":"software-storage-and-data","name":"Software, storage and data","description":"Establish the installed software environment and practical routes for preserving or changing handset data.","layers":[{"id":"software-execution","name":"Software execution","description":"Qualify application and service operation against the observed firmware environment.","findings":[{"id":"installed-platform-constraints","name":"Installed platform constraints","description":"Record software identity and distinguish local execution limits from external service failures.","questions":[{"text":"What platform edition, firmware version and operator customisation does this 6720 classic report?","id":"installed-platform-constraints-q01","kind":"measurement"},{"text":"Which application formats and installation requirements are documented, and what prevents a proposed application or service from working today?","id":"installed-platform-constraints-q02","kind":"action"}]}]},{"id":"storage-and-transfer","name":"Storage and transfer","description":"Resolve compatible storage and evidence-backed export, backup and reset procedures.","findings":[{"id":"data-preservation-path","name":"Data preservation path","description":"Choose a supported transfer route and verify recoverability before changing software or erasing data.","questions":[{"text":"Which removable-card formats, capacities and transfer interfaces are documented for the 6720 classic?","id":"data-preservation-path-q01","kind":"definition"},{"text":"Which authorised contacts, messages, photographs and other files can be exported and checked before a reset or recovery operation?","id":"data-preservation-path-q02","kind":"action"}]}]}]},{"id":"power-repair-and-retirement","name":"Power, repair and retirement","description":"Assess battery and charging safety, repair feasibility and responsible retirement using 6720 classic-specific evidence.","layers":[{"id":"battery-and-charging","name":"Battery and charging","description":"Establish approved electrical compatibility and observe power behaviour.","findings":[{"id":"compatible-safe-power","name":"Compatible and safe power","description":"Require documented battery and charger compatibility alongside direct inspection of the fitted components.","questions":[{"text":"Which battery designations, charger models, connector requirements and electrical ratings does Nokia specify for the 6720 classic?","id":"compatible-safe-power-q01","kind":"provenance"},{"text":"Do swelling, leakage, corrosion, damage or abnormal heating require stopping use before charging or runtime testing?","id":"compatible-safe-power-q02","kind":"action"}]}]},{"id":"serviceability-and-disposition","name":"Serviceability and disposition","description":"Connect observed faults to documented maintenance limits and an appropriate next action.","findings":[{"id":"repair-or-retire-decision","name":"Repair or retire decision","description":"Evaluate repairs using verified procedures, parts compatibility, data needs and remaining handset usefulness.","questions":[{"text":"Which 6720 classic service documents, compatible replacement parts and variant-specific conformity records can be verified?","id":"repair-or-retire-decision-q01","kind":"provenance"},{"text":"Given the fault, battery condition, recoverable data and available network service, should this handset be repaired, stored or sent for electronics and battery recycling?","id":"repair-or-retire-decision-q02","kind":"action"}]}]}]},{"id":"evidence-and-external-alignment","name":"Evidence and external alignment","description":"What the world already says about this thing, gathered so the model can be checked against it.","layers":[{"id":"reported-evidence","name":"Reported evidence","description":"Findings from the breadth pass, kept separate from the structural claims.","findings":[{"id":"evidence-confidence-notes","name":"Check these first","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these check these first hold for the sense of Nokia 6720 classic this model covers, and on what evidence?","id":"evidence-confidence-notes-q01","kind":"provenance"}]},{"id":"evidence-identifiers","name":"Identifiers and schemes","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these identifiers and schemes hold for the sense of Nokia 6720 classic this model covers, and on what evidence?","id":"evidence-identifiers-q01","kind":"provenance"}]},{"id":"evidence-standards-and-regulation","name":"Standards and regulation","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these standards and regulation hold for the sense of Nokia 6720 classic this model covers, and on what evidence?","id":"evidence-standards-and-regulation-q01","kind":"provenance"}]},{"id":"evidence-real-world-use","name":"Real-world use","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these real-world use hold for the sense of Nokia 6720 classic this model covers, and on what evidence?","id":"evidence-real-world-use-q01","kind":"provenance"}]},{"id":"evidence-measurements","name":"Typical measurements","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these typical measurements hold for the sense of Nokia 6720 classic this model covers, and on what evidence?","id":"evidence-measurements-q01","kind":"provenance"}]},{"id":"evidence-failure-modes-and-hazards","name":"Failure modes and hazards","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these failure modes and hazards hold for the sense of Nokia 6720 classic this model covers, and on what evidence?","id":"evidence-failure-modes-and-hazards-q01","kind":"provenance"}]},{"id":"evidence-regional-variation","name":"Regional variation","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these regional variation hold for the sense of Nokia 6720 classic this model covers, and on what evidence?","id":"evidence-regional-variation-q01","kind":"provenance"}]},{"id":"evidence-neighbours","name":"Neighbouring kinds and how to tell them apart","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these neighbouring kinds and how to tell them apart hold for the sense of Nokia 6720 classic this model covers, and on what evidence?","id":"evidence-neighbours-q01","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Identify this 2009 keypad smartphone model with satellite positioning from its label and system information.","Explain that its operating system and app store are no longer supported."],"mustNot":["Install untrusted applications on it on someone else's behalf without consent.","Share or keep its location history in a way that tracks the user without consent.","Use it for banking or sensitive accounts without warning that it is unpatched.","Read emails, messages or photos on a handset without the owner's consent."],"requiresHuman":["Wiping a handset that may hold a former user's email and location data.","Enabling location sharing or remote tracking on it."]},"ethics":{"considerations":["Old smartphones keep emails, contacts and location traces long after use ends.","Unsupported software leaves users exposed to known security flaws."],"affectedParties":["The handset's user","People in its contacts","Buyers of used phones"]},"owners":{"steward":"The person who owns the handset; the network operator holds the subscription record.","roles":[],"masterSystems":["Mobile network subscriber records","IMEI blocklists"]},"relations":[{"target":"Q3543648","type":"parent","note":"registry parent class"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.nokia-6720-classic","Wikidata: Q3646723 (https://www.wikidata.org/wiki/Q3646723)"]},"properties":{"applicability":"required","items":["Product and hardware identity: Reported product name, hardware type identifier and regional variant; verified or unresolved","Identity evidence consistency: Label and software agree; disagree; partially readable; unverified","Radio capability: Documented cellular technologies and frequency bands in MHz, indexed by hardware variant","Firmware and software platform: Observed platform, firmware version, product code and operator customisation","Battery compatibility and condition: Battery designation and rated voltage in V; normal, degraded, swollen, leaking, absent or unknown","Physical dimensions and mass: Height × width × thickness in mm; mass in g with battery configuration stated","Storage configuration: Internal storage availability, removable-card format and capacity in MB or GB, with evidence of support","External service dependency: Capability linked to required operator, server, account, certificate or local resource"]},"recognition":{"applicability":"required","items":["A candybar smartphone with a numeric keypad below a colour screen.","A rear camera with flash and a metal-trimmed front.","Model and IMEI on a label under the battery."]},"capabilities":{"applicability":"required","items":["Authenticate a claimed Nokia 6720 classic identity against label, software and physical evidence.","Assess whether a verified hardware variant can use a specified operator's current voice, messaging and data services.","Select documented compatible batteries, chargers, memory cards and wired accessories.","Test controls, charging, calls, audio, camera and positioning while recording observed limitations.","Plan authorised data backup, transfer, reset or recovery around the handset's installed software and access state.","Recommend continued use, repair, storage or recycling from the handset's condition and remaining service compatibility."]},"hazards":{"applicability":"required","items":["Security flaws in unsupported software.","Location and personal data left on resold handsets.","Loss of service as legacy networks close."]},"interfaces":{"applicability":"required","items":["GSM technical specifications, maintained by 3GPP, which define the network the handset was built for.","UMTS technical specifications, 3GPP, which define the third-generation network the handset supports.","Directive 2012/19/EU on waste electrical and electronic equipment (WEEE), European Union, which governs disposal of old handsets."]},"context":{"applicability":"required","items":["This 2009 keypad smartphone was designed for cellular calls, text messaging, photography, navigation and mobile internet access.","Surviving handsets may be encountered in personal collections, repair work, electronics reuse and historical device testing.","Practical use depends on battery condition, compatible cellular networks and the availability of services supported by its older software."]}},"sources":[{"title":"Wikidata item Q3646723: Nokia 6720 classic","url":"https://www.wikidata.org/wiki/Q3646723","note":"identity and sense of the item"},{"title":"Wikipedia: Nokia 6720 classic","url":"https://en.wikipedia.org/wiki/Nokia_6720_classic","note":"general description of the item"}],"openQuestions":["Which manufacturer manuals and service records establish the complete Nokia 6720 classic hardware-variant and product-code mapping?","What are the verified dimensions, mass, radio bands, camera specifications, storage limits and approved power accessories for each relevant variant?","Which original software, mapping, backup and recovery functions remain usable today, and through which verifiable tools or services?","Which faults are demonstrably recurrent in this model, rather than general ageing symptoms or isolated handset reports?","Which issuing bodies, standards and conformity declarations apply to each marketed variant, and where are the original records available?"],"resources":{"spec":"/models/things/publications/thing-q3646723/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q3646723/spec.json"],"providers":["Codex"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T11:39:20Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T10:10:30+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}