Edit file: /manifest.json Replace all with this code: { "name": "Huawei B312-939 Tool", "manifest_version": 3, "description": "Options for antenna settings and band selection for Globe My Business B312-939", "version": "3.0", "icons": { "16": "img/logo-16.png", "48": "img/logo-48.png", "128": "img/logo-128.png" }, "action": { "default_icon": { "19": "img/logo-19.png", "38": "img/logo-48.png" }, "default_popup": "popup.html" }, "host_permissions": [" http://192.168.254.254/ "], "content_security_policy": { "extension_pages": "script-src 'self'; object-src 'self'; script-src-elem 'self' https://ssl.google-analytics.com ;" }, "web_acces
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