There is a new firmware if you use windows phone repair tool to wipe your 535 hk version. The release date is 30 Jan 2015.
This update is not available via OTA
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Hey,
we have started rolling out a new software update for Lumia 535 (RM-1089) & Lumia 535 Dual SIM (RM-1090 & RM-1092) in selected countries. You can find the update instructions & follow the availability details from here: http://www.microsoft.com/en/mobile/support/software-update/wp8-software-update/
Latest software release for Lumia 535 is Lumia Denim (02054.00000.14485.370xx / 8.10.14219.341)
The rollouts have started in following areas: Africa, Europe
Latest software release for Microsoft Lumia 535 Dual SIM is Lumia Denim (02055.00000.14511.220xx / 8.10.14226.359)
The rollouts have started in following areas: Africa, Asia Pacific, Europe, Middle East
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There is a new firmware if you use windows phone repair tool to wipe your 535 hk version. The release date is 30 Jan 2015.
This update is not available via OTA
the difference is that the model rm- 1089 has 3g network 900 mhz and the other model rm- 1091 3g network in 1900 mhzhttp://www.nokiapoweruser.com/lumia-535-rm-1090-rm-1091-rm-1089-rm-1092/
Mine is RM1089 and bought in italy. As far as I Know 1089 is the single sim and the 1090 the dual sim version!
EDIT: I looked at the very first post of this thread and it actually confirmed my knowledge :P
Mine is
RM-1090_1002
000-BD (Mobile Operator)
Purchased from Dhaka, Bangladesh
RM-1089_1011 (Mobile Operator 000-DE)