[4.0.1.48] Xperia 10 Plus - Mail Account Description is discarded

REPRODUCIBILITY : 100 %
BUILD ID = OS VERSION (Settings > About product): 4.0.1.48
HARDWARE (XA2, Xperia 10…): Xperia 10 Plus Dual Sim
UI LANGUAGE: German
REGRESSION: (compared to previous public release: Yes, No, ?): ?

DESCRIPTION:

If you click on an existing email account in the Accounts tab of the main menu and change the description, then run Sync, the new description is discarded and the old one reappears.

PRECONDITIONS:

STEPS TO REPRODUCE:

  1. Choose Mail Account
  2. Change Description
  3. Sync

EXPECTED RESULT:

New description remains

ACTUAL RESULT:

New description is discarded

ADDITIONAL INFORMATION:

Phone is newly flashed

Still reproducible with 4.5.0.19