Try to flash the images from VU+ Official web site support for VU+ Solo2, try to flash them all, one after one,

http://vuplus.com/sub/sub0301.php

TS

See : "FPGA update in solo2(done automatically in the first bootup after installation)"

Drivers for Solo2 : http://archive.vuplus.com/download/drivers/vuplus-dvb-modules-vusolo2-3.3.8-4.4.3-20131212.tar.gz

Code:
update driver
20131212
- Support more video codecs in media playback.(OE 2.1 gstreamer)
- Reduce First picture display time(zapping time improvement : duo2, solo2)
- Support dual transcoding(duo2, Only 2nd transcoding is mutually exclusive with PIP)
- Improve PCM playback(solo, duo, uno, ulitmo)
- Support 3D surround (solo, duo, solo2, duo2)
- Support AVL(automatic volume leveler)(duo2, solo2)
- Support more proc entries to control duo2 transcoding.(Plugin will follow)
- Improve temperature control of dual tuner when not in use(duo2, uno, ultimo)
- FPGA update in solo2(done automatically in the first bootup after installation)
- Fix EOS deteciton in media(PCM) & TS playback
- Support AAC passthrough
- Remove unnecessary debug messages(duo2)

Available here: http://archive.vuplus.com/download/drivers/
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DM8000, DM800se, DM500HD, DM800HD, DM7025, DM7020s, DM7000, DM500s
VU+ Solo, VU+ Uno, VU+ Duo, Kathrein UFS910
Tivusat, TNTSat, Fransat, SSR/TSR, BBC1-2-3/ITV
DE-OpenBlackHole 1.4 image : http://www.openblackhole.com/