[GH-ISSUE #196] [RM551EGL][SDXPINN] R01 vs R02 settings #66

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opened 2026-02-27 14:38:55 +03:00 by kerem · 2 comments
Owner

Originally created by @giorez on GitHub (Sep 21, 2025).
Original GitHub issue: https://github.com/iamromulan/quectel-rgmii-toolkit/issues/196

Hi Cameron, I switched several time from RM551EGL00AAA04M8G to RM551EGL00AAA01M8G custom firmware to compare the behaviour. R01 has no problem to navigate everywhere on the web. R02 is navigating just to some websites. I suppose there are some different settings, maybe about discovering operator DNS IP or stuff like that.
Here is my report:

R01

QuecManager data
Public IPv4 Address: 151.*.*.*
Cellular IPv4 Address:10.*.*.*
Cellular IPv6 Address: 2a02:*:*:*:*:*:*:*
Carrier Primary DNS:151.*.*.*
Carrier Secondary DNS: 151.*.*.*

LuCI data
Network IPv4 Upstream
Protocol: Unknown
Address: 10.*.*.*/25
Gateway: 10.*.*.*
DNS 1: 151.*.*.*
DNS 2: 151.*.*.*
Connected: 0h 13m 38s
Device: Ethernet Adapter: "rmnet_data0"

LuCI data
IPv6 Upstream
Protocol: Unknown
Address: 2a02:*:*:*:*:*:*:*/64
Gateway: fe80:*:*:*:*:*:*:*
Connected: 0h 14m 21s
Device: Ethernet Adapter: "rmnet_data0"

R02

QuecManager data
Public IPv4 Address: 151.*.*.*
Cellular IPv4 Address: 10.*.*.*
Cellular IPv6 Address: 2a02:*:*:*:*:*:*:*
Carrier Primary DNS: 151.*.*.*
Carrier Secondary DNS: NULL (THIS NEVER GET IP)

LuCI data
IPv4 Upstream
Protocol: Unknown
Address: 10.*.*.*/30
Gateway: 0.0.0.0
DNS 1: 151.*.*.*
DNS 2: 151.*.*.*
Connected: 0h 5m 46s
Device: Ethernet Adapter: "rmnet_data0"

LuCI data
IPv6 Upstream
Protocol: Unknown
Address: 2a02*:*:*:*:*:*:*/64
Gateway: ::
Connected: 0h 5m 59s
Device: Ethernet Adapter: "rmnet_data0"

Originally created by @giorez on GitHub (Sep 21, 2025). Original GitHub issue: https://github.com/iamromulan/quectel-rgmii-toolkit/issues/196 Hi Cameron, I switched several time from RM551EGL00AA<R01>A04M8G to RM551EGL00AA<R02>A01M8G custom firmware to compare the behaviour. R01 has no problem to navigate everywhere on the web. R02 is navigating just to some websites. I suppose there are some different settings, maybe about discovering operator DNS IP or stuff like that. Here is my report: ``` R01 QuecManager data Public IPv4 Address: 151.*.*.* Cellular IPv4 Address:10.*.*.* Cellular IPv6 Address: 2a02:*:*:*:*:*:*:* Carrier Primary DNS:151.*.*.* Carrier Secondary DNS: 151.*.*.* LuCI data Network IPv4 Upstream Protocol: Unknown Address: 10.*.*.*/25 Gateway: 10.*.*.* DNS 1: 151.*.*.* DNS 2: 151.*.*.* Connected: 0h 13m 38s Device: Ethernet Adapter: "rmnet_data0" LuCI data IPv6 Upstream Protocol: Unknown Address: 2a02:*:*:*:*:*:*:*/64 Gateway: fe80:*:*:*:*:*:*:* Connected: 0h 14m 21s Device: Ethernet Adapter: "rmnet_data0" ``` ``` R02 QuecManager data Public IPv4 Address: 151.*.*.* Cellular IPv4 Address: 10.*.*.* Cellular IPv6 Address: 2a02:*:*:*:*:*:*:* Carrier Primary DNS: 151.*.*.* Carrier Secondary DNS: NULL (THIS NEVER GET IP) LuCI data IPv4 Upstream Protocol: Unknown Address: 10.*.*.*/30 Gateway: 0.0.0.0 DNS 1: 151.*.*.* DNS 2: 151.*.*.* Connected: 0h 5m 46s Device: Ethernet Adapter: "rmnet_data0" LuCI data IPv6 Upstream Protocol: Unknown Address: 2a02*:*:*:*:*:*:*/64 Gateway: :: Connected: 0h 5m 59s Device: Ethernet Adapter: "rmnet_data0" ```
kerem closed this issue 2026-02-27 14:38:55 +03:00
Author
Owner
<!-- gh-comment-id:3316248205 --> @iamromulan commented on GitHub (Sep 21, 2025): Yeah lol https://github.com/iamromulan/cellular-modem-wiki/discussions/120#discussioncomment-14470269
Author
Owner
<!-- gh-comment-id:3339331909 --> @giorez commented on GitHub (Sep 26, 2025): https://github.com/iamromulan/cellular-modem-wiki/discussions/120#discussioncomment-14523899
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