After reading what you need, there is quite a few phones that will work for you well.
neken N6 - Quad core 1.5 GHz, 1 gig RAM, 16 gig ROM (+32 gig slot for more memory), 13 Mega Pix Camera, 1080p screen. 5' phone
iOcean X7 HD - Quad Core 1.3 GHz, 1 gig RAM, 4 gig ROM (+16 gig slot for more memory), 8 Mega Pix Camera, 720p screen, 5' phone
iNew v3 - Quad Core 1.3 GHz, 1 gig RAM, 16 gig ROM (+32 gig slot for more memory), 13 Mega Pix Camera, 720p screen, 5' phone
W450 - Quad Core 1.3 GHz, 1 gig RAM, 4 gig ROM (+32 gig slot for more memory), 8 Mega Pix Camera, 480p screen, 4.5' phone
THL w100 - Quad Core 1.2 GHz, 1 gig RAM, 4 gig ROM (+32 gig slot), 8 Mega pix Camera, 540 screen, 4.5' phone
THL T5 - Dual Core 1.2 GHz, 512 meg RAM, 4gig ROM (+16 gig slot), 5 Mega pix Camera, 540 screen, 4.7' phone
These are all excellent phone, should have no issues with any of them, but out of that list the Neken N6 and Inew v3 are your best bet for the money your willing to spend.
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And if your willing to spend just a bit more, and get a GIANT PHONE (they are big in the hand) with all the bells and whistles in the £150.00 range, then I would recommend the
inew i6000 - Quad Core 1.5 GHz, 1 gig RAM, 16 gig ROM (+32 gig slot), 13 Mega Pix Camera, 1080p screen, 6.5' phone
http://www.ebay.co.uk/itm/Inew-I6000-MTK...2eceabf74f
OR
inew i6000 - Quad Core 1.5 Ghz, 2 gig RAM, 32 gig ROM, (+32 gig slot) 13 Mega Pix Camera, 1080p screen, 6.5' phone
http://www.ebay.co.uk/itm/Inew-I6000-MTK...338b24a0e2
The inew i6000+ is an 8 Core 1.7 GHz phone in the £200.00 range.
I like the inew phones because of ease of customization (I can swap out the OS easily to my personal preferences)
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So out of all of these, if your wanting good quality pictures, get a 13 Mega Pix phone with a 1080 screen, they will all work properly in your area.
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Also Note, if your going to use this phone alot, get a second battery and a quick charger (there easy to find under £5 for em),, all these will last from 4 to 6 hours screen time (having the screen on all the time).
neken N6 - Quad core 1.5 GHz, 1 gig RAM, 16 gig ROM (+32 gig slot for more memory), 13 Mega Pix Camera, 1080p screen. 5' phone
iOcean X7 HD - Quad Core 1.3 GHz, 1 gig RAM, 4 gig ROM (+16 gig slot for more memory), 8 Mega Pix Camera, 720p screen, 5' phone
iNew v3 - Quad Core 1.3 GHz, 1 gig RAM, 16 gig ROM (+32 gig slot for more memory), 13 Mega Pix Camera, 720p screen, 5' phone
W450 - Quad Core 1.3 GHz, 1 gig RAM, 4 gig ROM (+32 gig slot for more memory), 8 Mega Pix Camera, 480p screen, 4.5' phone
THL w100 - Quad Core 1.2 GHz, 1 gig RAM, 4 gig ROM (+32 gig slot), 8 Mega pix Camera, 540 screen, 4.5' phone
THL T5 - Dual Core 1.2 GHz, 512 meg RAM, 4gig ROM (+16 gig slot), 5 Mega pix Camera, 540 screen, 4.7' phone
These are all excellent phone, should have no issues with any of them, but out of that list the Neken N6 and Inew v3 are your best bet for the money your willing to spend.
----------------------------------------
And if your willing to spend just a bit more, and get a GIANT PHONE (they are big in the hand) with all the bells and whistles in the £150.00 range, then I would recommend the
inew i6000 - Quad Core 1.5 GHz, 1 gig RAM, 16 gig ROM (+32 gig slot), 13 Mega Pix Camera, 1080p screen, 6.5' phone
http://www.ebay.co.uk/itm/Inew-I6000-MTK...2eceabf74f
OR
inew i6000 - Quad Core 1.5 Ghz, 2 gig RAM, 32 gig ROM, (+32 gig slot) 13 Mega Pix Camera, 1080p screen, 6.5' phone
http://www.ebay.co.uk/itm/Inew-I6000-MTK...338b24a0e2
The inew i6000+ is an 8 Core 1.7 GHz phone in the £200.00 range.
I like the inew phones because of ease of customization (I can swap out the OS easily to my personal preferences)
---------------------------------
So out of all of these, if your wanting good quality pictures, get a 13 Mega Pix phone with a 1080 screen, they will all work properly in your area.
---------------------------------
Also Note, if your going to use this phone alot, get a second battery and a quick charger (there easy to find under £5 for em),, all these will last from 4 to 6 hours screen time (having the screen on all the time).