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UK international 12 GB + 256 GB reference. All advertised finishes retained, colour-dependent thickness/weight absent for Ultra. Colour names do not establish titanium metal or denim fabric.","screen_size_in":"Ultra footnote specifies approximately 6.85 in full rectangle, while marketing heading rounds to 6.9 in. Full-rectangle figure retained.","brightness_peak_nits":"Maker 3500 nits peak over 25% display area, distinct from HBM 2000 and typical 600.","touch_sampling_rate_instant_hz":"Up to 2560 Hz with Game Turbo mode enabled.","refresh_rate_max_hz":"Up to 120 Hz for supported apps.","ram_gb":"Actual installed 12 GB, no virtual RAM included.","storage_gb":"Nominal marketed 256 GB, exact 12 GB + 256 GB pairing.","storage_type":"Manufacturer UFS 4.1 explanation refers to enhanced firmware capabilities, not a future rollout claim in this exact specification.","rear_cameras":"Three physical imaging cameras. Binned SuperPixel sizes do not establish native pitch.","rear_video_modes":"Highest advertised rates include 1080p 960 fps slow motion and 720p 1920 fps slow motion. Native/interpolated capture and exact lens scope are unpublished. Ordinary 1080p 60/720p 30 differ. slow_motion_max_fps is omitted.","front_video_modes":"Own front highest rates. 720p 120 fps is slow motion, 1080p 60 fps normal, 4K 30 fps normal.","bands_5g":"Exact international NR n-prefixed membership. n66/4G B66 limited 70 MHz segment: UL 1710 to 1780 MHz, DL 2110 to 2180 MHz. No regional union.","wifi_standard":"Wi-Fi 7 availability depends on local regulation/network and applicable OTA.","bluetooth_codecs":"Explicit wireless audio codecs only. ASHA/Auracast are features and are excluded from codec list.","hdr_formats":"Exact Video playback block. HEVC here is playback, not evidence of recorded video codec.","charger_in_box":"UK specification explicitly excludes mains adapter. Recommended 120 W adapter and launch gifts are separate.","wireless_charging_standards":"Ultra 50 W wireless HyperCharge is proprietary. Does not establish built-in magnets or Qi2.","sim_slots":"Two nano-SIM slots and alternative dual active eSIM mode. Stored profile capacity and physical/eSIM counts are not added.","water_resistance_depth_m":"IP68 static freshwater 1.5 m, up to 30 min, water-to-phone temperature delta ≤5 K. Not a diving guarantee.","water_resistance_minutes":"Same laboratory IP68 freshwater/depth/temperature conditions.","stereo_speakers":"Exact Audio block explicitly says symmetrical stereo speakers with an independent subwoofer. 2.1 channels are not 2.1 physical drivers.","microphone_count":"Exact Audio block explicitly says 3-Mic array."}},{"url":"https://gl123.alsgp0.mi-fds.com/gl123/POCO/P11U-POCO%20F8%20Ultra/1850203000260A_P11U_SI_%E6%AC%A7%E8%A7%848%E8%AF%AD%E7%89%88_20250922.pdf","kind":"manual","accessed":"2026-10-05","fields":["manual_url","model_numbers","sar_eu_head_w_kg","sar_eu_body_w_kg","network_technologies"],"notes":{"model_numbers":"English model block explicitly identifies 25102PCBEG.","sar_eu_head_w_kg":"English EU Regulations highest head SAR 10 g, zero head separation.","sar_eu_body_w_kg":"English EU Regulations highest body SAR 10 g, 5 mm separation.","network_technologies":"RED declaration explicitly names GSM/LTE/5G NR. HSPA not inferred from UMTS. The maker spec page lists WCDMA bands, so UMTS is stored."}},{"url":"https://www.mi.com/uk/product/poco-f8-ultra/","kind":"manufacturer_page","accessed":"2026-10-05","fields":["form_factor","display_technology_name","battery_chemistry","rear_cameras"],"notes":{"form_factor":"Exact maker images show a conventional non-folding handset.","display_technology_name":"Exact maker display heading. No LTPO inference from refresh rate.","battery_chemistry":"Own Ultra battery section explicitly states silicon-carbon dual-cell battery.","rear_cameras":"Own Ultra page explicitly calls physical 115 mm telephoto 5x optical zoom, excluding 10x lossless crop."}},{"url":"https://www.mi.com/uk/support/terms/poco-f8-series-first-sale/","kind":"manufacturer_page","accessed":"2026-10-05","fields":["release_date","ram_gb","storage_gb"],"notes":{"release_date":"Actual stock-limited UK first-sale purchase table starts 26 November 2025 at 08:00 and lists exact models/pairings, not prelaunch reservation.","ram_gb":"Exact 12 GB + 256 GB sold first-sale row.","storage_gb":"Same exact pairing, not a 16 GB Ultra option inherited."}},{"url":"https://www.notebookcheck.net/Xiaomi-releases-Poco-F8-Ultra-globally-to-undercut-Snapdragon-8-Elite-Gen-5-flagships-at-729.1168835.0.html","kind":"review_site","accessed":"2026-10-23","fields":["predecessor"],"notes":{"predecessor":"Notebookcheck calls the Poco F7 Ultra the model that preceded the Poco F8 Ultra."}},{"url":"https://www.notebookcheck.net/Affordable-flagship-with-Bose-subwoofer-Xiaomi-Poco-F8-Ultra-review.1189651.0.html","kind":"review_site","accessed":"2026-10-23","fields":["predecessor"],"notes":{"predecessor":"Notebookcheck's review says the Poco F8 Ultra replaces its predecessor after about eight months and links that word to the Poco F7 Ultra review."}},{"url":"https://www.notebookcheck.net/Poco-F9-Ultra-More-power-more-expensive-but-not-necessarily-better-in-every-way.1413199.0.html","kind":"review_site","accessed":"2026-10-23","fields":["successor"],"notes":{"successor":"Notebookcheck's review compares the Poco F9 Ultra with the Poco F8 Ultra and calls the F8 Ultra its predecessor."}},{"url":"https://engadget.com/2243520/poco-f9-ultra-is-a-midrange-phone-with-a-flagship-processor-and-185hz-display","kind":"review_site","accessed":"2026-10-23","fields":["successor"],"notes":{"successor":"Engadget compares the Poco F9 Ultra with last year's Poco F8 Ultra and calls the 6,500mAh cell its predecessor's battery."}}],"fields_filled":81,"updated":"2026-10-23"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}