Last week Wood Group gave an upbeat assessment of its own prospects, saying that conditions in energy markets remained favourable and it was confident of achieving full-year performance in line with expectations.

BBC: Aberdeen's Wood Group US acquisition cleared

Indeed, there's something amiss in T-Mobile's variant that keeps it from achieving real-world performance parity with our past 8X reviews.

ENGADGET: HTC Windows Phone 8X for T-Mobile: what's different?