New phone for my lady :)

Ok guys. Challenge time. My lady is due an upgrade next week and we are looking for new phone for her. Few requirements

* Available in UK
* 2 days battery life
* Well known brand
* Good security features

She is using Xperia Z2 since December 2014 and she is happy with this phone cause after all this time it still hold 2 days with moderate usage and has not lags, slow downs and other issues. She is happy with this phone but is time for an upgrade. I have recommended her
* Blackberry DTEK50...

New phone for my lady

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