The following SPLs “should” work on PVT 32A and PVT 32B boards :
How to flash :
Skip step 2 and boot into recovery mode instead of step 3, if you already have a custom recovery flashed!
1. Download the SPL of your choice and copy it to the root of your SD-card.
2.Download the appropriate recovery H-SPL (HTC branded, PVT 32A board) or G-SPL Google branded, PVT 32B board).
3. Boot in fastboot mode:
fastboot boot recovery-RA-sapphire-v1.7.0G.img or
fastboot boot recovery-RA-sapphire-v1.7.0H.img
4. Wait a while
5. Choose Apply sdcard: choose zip and select the required SPL update
6. Press the GREEN key once the update is done
7. Press HOME + BACK to reboot
Download
- Engineering SPL 1.33.2010 – MD5 : 865020FBDFBD9C08950076A701A8A003
- Engineering SPL 1.33.2009 – MD5 : 6FE91DDD2AC591F8EE838CEA3E5F84B0
- Engineering SPL 1.33.2005 – MD5 : 2B1AAA9012DC28F88C482E1B21A46FDD
- Engineering SPL 1.33.2004 – MD5 : 1B49F0A53E147171E7C51F08510CF95F
- SHIPMENT SPL 1.33.0009H – MD5 : 85CCC0D8F339C04E5A18A7076F321194
- Engineering SPL 1.33.2004 by Crios – MD5 : 6D20EA62BDB5A6991BD80CA327C03504
Engineering SPL 1.33.2004 by Crios is actually a hex-edit of SPL 1.33.2005 to fool updates.
Original SPL list :
Please update us on any new SPLs so we can include them in this list. 
- HBOOT-1.33.0004 (SAPP10000) : Sapphire PVT 32B SHIP S-ON G : CPLD-10 (Voldafone NL + UK + Australia)
- HBOOT-1.33.0008 (SAPP10000) : Sapphire PVT 32A SHIP S-ON H : CPLD-12 (TIM (Italian))
- HBOOT-1.3300.0009 (SAPP10000) : Sapphire PVT 32A SHIP S-ON H : CPLD-12 (Nordic Magic A6161)
- HBOOT-1.33.0009 (SAPP10000) : Sapphire PVT 32A SHIP S-OFF H : CPLD-12 (Belgian HTC)
- HBOOT-1.33.0009 (SAPP10000) : Sapphire PVT 32A SHIP S-ON H : CPLD-12 (Greek)
- HBOOT-1.33.0009 (SAPP50000) : Sapphire PVT 32A SHIP S-OFF H : CPLD-11 (Rogers)
- HBOOT-1.33.0009 (SAPP50000) : Sapphire PVT 32A SHIP S-ON H : CPLD-12 (Rogers)
- HBOOT-1.33.0010 (SAPP10000) : Sapphire PVT 32A SHIP S-ON H : CPLD-12
- HBOOT-1.33.3004 (SAPP30000) : Sapphire PVT 32B DEV S-ON G : CPLD-10 (ION)
- HBOOT-1.33.3005 from the Japanese ION
SPL Info
- The G or H at the end identify if it’s a Google or HTC SPL
- ENG : Engineering version
- SHIP : Shipment version
- DEV : Development version (ION)
- S-off and S-on : Security on and off (writing directly to nand or not) , most probably not SPL linked, S-on prevents you to downgrade.
- PVT 32A (HTC branded) : 288MB RAM / Qualcomm MSM7200a
- PVT 32B (Google branded) : 192MB RAM / Qualcomm MSM7201a
Proceed on your own risk, you might brick your phone!!!
all the credits goes to Amon_RA
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