First Microsoft-Branded phone, leaks in Chinese

Microsoft logoMicrosoft smartphone market chief recently hinted that the first devices carrying Microsoft branding (rather than "Nokia" branding) were just around the corner. Based on regulatory filing traffic, a document stream that's now carefully scrutinized by phone bloggers as an official source of near-release devices, the first Microsoft-branded smartphone carry the device IDs "RM-1089", "RM-1090", and "RM-1091.

Past Nokia-branded Microsoft smartphones have carried the RM-XXX or RM-1XXX branding. For example:

  • Nokia Lumia 630: RM-976 (single-SIM, HSPA+)
  • Nokia Lumia 635: RM-974, RM-975, RM-977, RM-978, RM-979 (dual-SIM, LTE)
  • Nokia Lumia 730: RM-1038 (dual-SIM, HSPA+)
  • Nokia Lumia 735: RM-1040 (single-SIM, LTE)

The latest devices, which are expected to carry Microsoft branding, are reportedly budget/mid-range models "in-between" the Lumia 630 and Lumia 730. One possible branding is "Microsoft Lumia 640/645". The different numbers correspond to their cellular capabilities:

  • RM-1089 -- CDMA/GSM/HSPA+, single-SIM
  • RM-1090 -- CDMA/GSM/HSPA+, dual-SIM
  • RM-1091 -- CDMA/GSM/HSPA+, single-SIM

First Microsoft-Branded phone, leaks in Chinese

Here's the information gleaned from the U.S. Federal Communications Commission (FCC), Chinese, and Indonesian regulatory filings on the device:

  • OS
    • Windows Phone 8.1 Update 1
  • Dimensions (face)
    • 139.97 x 71 mm (5.51 x 2.795 in)
  • Display
    • 5-inch (?) (inferred from face dimensions)
    • 960 x 540
    • "Clear Black" IPS LCD
  • Camera
    • Front + Rear (w/ LED flash)
  • Cellular
    • GSM
    • GSM/GPRS/EGPRS1800
    • CDMA and HSUPA
    • HSUPA/WCDMA900 (Band 8)
    • HSUPA/WCDMA2100 (Band 1)

An account by the name of "" on Chinese micro-blogging platform Weibo also shared these pictures from China's telecommunications regulators, confirming the phone is a Microsoft-branded device.

These devices appear to heavily target the Asiatic markets (China, Indonesia), but their appearance at the FCC indicates they may land on budget carriers like T-Mobile U.S., Inc. (TMUS), T-Mobile's MetroPCS, or AT&T, Inc.'s (T) Cricket Wireless.

Source: DailyTech

Tags: Microsoft, smartphones

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