Here's a list of all HTC EVO 4G Radio, WiMAX, PRI, NV and HBoot versions. All credits goes to Calkulin over XDA for compiling these Radio images.
If you have 4G connection issues, be sure to update Profile after updating by going into Settings\System Updates
Combo - Must be NAND unlocked(S-OFF) to flash - May require reflashing the kernel afterwards
EVO_Radio_2.15.00.05.02_WiMAX_27243_PRI_2.15_003 - Includes latest Radio, WiMAX, PRI & NV
How do you check what radio you are running?
Menu->Settings->About Phone->Software Information->Baseband Version
Radio - May require reflashing the kernel afterwards
EVO_Radio_2.15.00.05.02 - Latest
EVO_Radio_2.15.00.04.08
EVO_Radio_2.15.00.11.19
EVO_Radio_2.15.00.09.01
EVO_Radio_2.15.00.07.28
EVO_Radio_2.15.00.07.21
EVO_Radio_2.05.00.06.10
EVO_Radio_1.39.00.05.31
EVO_Radio_1.36.00.04.02
WiMAX - Must be NAND unlocked(S-OFF) to flash
How can you check which Wimax radio is installed on the phone?
Open your terminal emulator, su, then wimax_mtd .
EVO_WiMAX_27243 - Latest
EVO_WiMAX_27925
EVO_WiMAX_27167_R01
EVO_WiMAX_26023_R01
EVO_WiMAX_25641_R01
EVO_WiMAX_25043_R04
EVO_WiMAX_24722
PRI - Must be NAND unlocked(S-OFF) to flash
EVO_PRI_2.15_003 - Latest
EVO_PRI_1.90_003
EVO_PRI_1.77_003
EVO_PRI_1.34_003
NV - Must be NAND unlocked(S-OFF) to flash
EVO_NV_1.90_003 - Latest
EVO_NV_1.77_003
EVO_NV_1.71_003
EVO_NV_1.40_003
HBoot - Must be NAND unlocked(S-OFF) to flash - May require reflashing the kernel afterwards
EVO_HBoot_2.10.0001 - Not downgradeable - Latest
EVO_HBoot_2.02.0000 - Not downgradeable
EVO_HBoot_0.97.0000
EVO_HBoot_0.93.0000
EVO_HBoot_0.76.2000 - ENG, supports Fastboot commands
For protected recovery users they are available below if needed.
MEGAUPLOAD: HTC Evo Radio 2.05.00.06.10
MEGAUPLOAD: HTC Evo Wimax 25641_R01
If you have 4G connection issues, be sure to update Profile after updating by going into Settings\System Updates
Combo - Must be NAND unlocked(S-OFF) to flash - May require reflashing the kernel afterwards
EVO_Radio_2.15.00.05.02_WiMAX_27243_PRI_2.15_003 - Includes latest Radio, WiMAX, PRI & NV
How do you check what radio you are running?
Menu->Settings->About Phone->Software Information->Baseband Version
Radio - May require reflashing the kernel afterwards
EVO_Radio_2.15.00.05.02 - Latest
EVO_Radio_2.15.00.04.08
EVO_Radio_2.15.00.11.19
EVO_Radio_2.15.00.09.01
EVO_Radio_2.15.00.07.28
EVO_Radio_2.15.00.07.21
EVO_Radio_2.05.00.06.10
EVO_Radio_1.39.00.05.31
EVO_Radio_1.36.00.04.02
WiMAX - Must be NAND unlocked(S-OFF) to flash
How can you check which Wimax radio is installed on the phone?
Open your terminal emulator, su, then wimax_mtd .
EVO_WiMAX_27243 - Latest
EVO_WiMAX_27925
EVO_WiMAX_27167_R01
EVO_WiMAX_26023_R01
EVO_WiMAX_25641_R01
EVO_WiMAX_25043_R04
EVO_WiMAX_24722
PRI - Must be NAND unlocked(S-OFF) to flash
EVO_PRI_2.15_003 - Latest
EVO_PRI_1.90_003
EVO_PRI_1.77_003
EVO_PRI_1.34_003
NV - Must be NAND unlocked(S-OFF) to flash
EVO_NV_1.90_003 - Latest
EVO_NV_1.77_003
EVO_NV_1.71_003
EVO_NV_1.40_003
HBoot - Must be NAND unlocked(S-OFF) to flash - May require reflashing the kernel afterwards
EVO_HBoot_2.10.0001 - Not downgradeable - Latest
EVO_HBoot_2.02.0000 - Not downgradeable
EVO_HBoot_0.97.0000
EVO_HBoot_0.93.0000
EVO_HBoot_0.76.2000 - ENG, supports Fastboot commands
For protected recovery users they are available below if needed.
MEGAUPLOAD: HTC Evo Radio 2.05.00.06.10
MEGAUPLOAD: HTC Evo Wimax 25641_R01
Just visit this thread over XDA for further questions and information..