RG520GL QShrink4 File Request

Hi,

Where to find the qshrink4 file for RG520GL, so I can decode the QXDM log, please see attached image for error

Also, does this chip support snpn?

Current version:

[2026-06-15_16:19:34:458]AT+GMR

[2026-06-15_16:19:34:458]RM520NGLAAR03A03M4G
[2026-06-15_16:19:34:458]
[2026-06-15_16:19:34:458]OK

Dear @A_Qiao
What is “snpn”? Private network?