[Desire 820 Q&A, Help & Troubleshooting] ttggyy90:
C:\fastboot>fastboot devices

CC534YC01609 fastboot

C:\fastboot>

C:\fastboot>fastboot oem rebootRUU

...

(bootloader) Start Verify: 0

OKAY [ 0.020s]

finished. total time: 0.020s

C:\fastboot>fastboot flash zip 0PGQIMG.zip

target reported max download size of 16777216 bytes

Invalid sparse file format at header magi

error: write_sparse_skip_chunk: don't care size 1295539982 is not a multiple of

the block size 4096

error: write_sparse_skip_chunk: don't care size 1278766862 is not a multiple of

the block size 4096

error: write_sparse_skip_chunk: don't care size 1261993742 is not a multiple of

the block size 4096

error: write_sparse_skip_chunk: don't care size 1245220622 is not a multiple of

the block size 4096

error: write_sparse_skip_chunk: don't care size 1228332814 is not a multiple of

the block size 4096

error: write_sparse_skip_chunk: don't care size 1211543310 is not a multiple of

the block size 4096

error: write_sparse_skip_chunk: don't care size 1194770190 is not a multiple of

the block size 4096

error: write_sparse_skip_chunk: don't care size 1177997070 is not a multiple of

the block size 4096

error: write_sparse_skip_chunk: don't care size 1161223950 is not a multiple of

the block size 4096

error: write_sparse_skip_chunk: don't care size 1144450830 is not a multiple of

the block size 4096

error: write_sparse_skip_chunk: don't care size 1127677710 is not a multiple of

the block size 4096

error: write_sparse_skip_chunk: don't care size 1110904590 is not a multiple of

the block size 4096

error: write_sparse_skip_chunk: don't care size 1094131470 is not a multiple of

the block size 4096

error: write_sparse_skip_chunk: don't care size 1077358350 is not a multiple of

the block size 4096

error: write_sparse_skip_chunk: don't care size 1060585230 is not a multiple of

the block size 4096

error: write_sparse_skip_chunk: don't care size 1043812110 is not a multiple of

the block size 4096

error: write_sparse_skip_chunk: don't care size 1027038990 is not a multiple of

the block size 4096

error: write_sparse_skip_chunk: don't care size 1010265870 is not a multiple of

the block size 4096

error: write_sparse_skip_chunk: don't care size 993492750 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 976719630 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 959946510 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 943173390 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 926400270 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 909627150 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 892854030 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 876080910 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 859307790 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 842534670 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 825761550 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 808988430 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 792215310 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 775442190 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 758669070 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 741895950 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 725122830 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 708349710 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 691576590 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 674803470 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 658030350 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 641257230 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 624484110 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 607710990 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 590937870 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 574164750 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 557391630 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 540618510 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 523845390 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 507072270 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 490299150 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 473526030 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 456752910 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 439979790 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 423206670 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 406433550 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 389660430 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 372887310 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 356114190 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 339341070 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 322567950 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 305794830 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 289021710 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 272248590 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 255475470 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 238702350 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 221929230 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 205156110 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 188382990 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 171609870 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 154836750 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 138063630 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 121290510 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 104517390 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 87744270 is not a multiple of th

e block size 4096

error: write_sparse_skip_chunk: don't care size 70971150 is not a multiple of th

e block size 4096

error: write_sparse_skip_chunk: don't care size 54198030 is not a multiple of th

e block size 4096

error: write_sparse_skip_chunk: don't care size 37424910 is not a multiple of th

e block size 4096

error: write_sparse_skip_chunk: don't care size 20651790 is not a multiple of th

e block size 4096

error: write_sparse_skip_chunk: don't care size 3849998 is not a multiple of the

block size 4096

sending sparse 'zip' (16380 KB)...

error: write_sparse_skip_chunk: don't care size 1295539982 is not a multiple of

the block size 4096

error: write_sparse_skip_chunk: don't care size 1295539982 is not a multiple of

the block size 4096

OKAY [ 1.741s]

writing 'zip'...

(bootloader) zip header checking...

(bootloader) shift signature_size for header checking...

FAILED (remote: 32 header error)

finished. total time: 1.894s

C:\fastboot>