You guys should srsly consider making your next phone phablet size i.e. approx. 5.7". There's a tonne of Galaxy Note neckbeards who are about to be alienated from Samsung over the next 12mth. Samsung has decided to go the "Apple way" & remove mSD, removable battery, & also go with a more premium but fragile build-quality.

Thanks to your Tablet efforts, you would be much better prepared for a large Phone. In a masterfully crafted crowfunding initiative, you should pitch WQHD/QHD display (leave it for you to decide on LCD or OLED), the fastest possible built-in NAND (UFS 2.x or at least the latest/greatest eMMC), & the latest/greatest mSD standard.

SoC will leave to you guys, x86 or ARM, preferably ARM, but x86 has (slowly but surely) been getting increasingly competitive. And ofc it should be a "world-phone", compatible on as many cellular bands as possible, & uses the latest/greatest cellular standards.

Then you should add just 1 perk: "Active Digitiser" i.e. like the Note's S-pen*. I wouldn't add any other perks, as that's more than enough to focus on & "get right". You would of course keep "TOH" feature, but it may have to remain as neglected as it was with the J1 (i.e rely on the community to step-up if/when it can), but you'd probably upgrade it's interface as I2C's too limiting.

Longer term you'd also try to implement a "Continuum" feature, like we're seeing coming to Win10Mobile & a similar implementation coming to UbuntuTouch (i.e bridge the divide between Mobile & Desktop), but that may be beyond your meagre resources.

Reading between the lines there's very little money left for your device making business, so you'd probably have to rely almost entirely on a well crafted crowd-funding initiative, one which avoids promises/user_expectations jumping too far ahead of what you can deliver. The core specs I've suggested aren't "pie in the sky", especially if we're talking about a phone that's not shipping till this time next year -or later.

Whaddya think?
*MS is also expected to release a Phablet device in Nov/Dec this year, it supposedly uses a digitiser very similar to the Surface Pro 3 i.e. "excellent"