4. Solved the problem that can not update the latest firmware of the TL-SG116E V1.20 with Uitily. Notes: For TL-SG1218MPE(UN) V1/V2/3.20/3.26, TL-SG105E(UN)_V1/V2/V3/V4/V5, TL-SG108E(UN)_V1/V2/V3/V4/V5/V6, TL-SG108PE(UN)_V1/V2/V3, TL-SG1016PE(UN)_V1/V2/...