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Root firmware.zip

i searched around a lot but didn't find the answers i was looking for... my carrier just released OTA update for my cdma desire ("OTA_Bravo_C_S_UTSTARCOM_WWE-Generic_2.13.557.0-1.28.557.4_release_189059_Signed5jyp8u76vwxsymmw"). now my understanding is that OTA is a no-no when rooted. my question is this:

included in the OTA update is a "firmware.zip", can i flash this zip without fear of breaking something?

included in the firmware.zip are:
boot.img
hboot_8x50_1.06.0000.img
radio.img
rcdata_AKD6.03_112_20110308.img
recovery.img

also... after flashing all or part this "firmware" zip successfully (fingers crossed) is it possible that i would then be able to run the OTA successfully?
 
the fact that i'm rooted with s-off already make any difference?

OTA updates update the same as an RUU (hboot, radio, ROM, recovery). Except in some cases its part thereof. Meaning in an OTA, it expects a certain version of everything and does the minimum possible to upgrade it to the latest version.

Being rooted and having custom hboot gives you twice as much no-no as being rooted alone.
 
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