async settingsUploadUpdate() {
                if (!this.uploadFw.filename) {
                    alert('Выберите файл для загрузки');
                    return;
                }

                async function readFileAsArrayBuffer(fileName) {
                    return new Promise((resolve, reject) => {
                        if (!fileName) { reject(`Файл не выбран`); return }
                        const reader = new FileReader();
                        reader.onload = (e) => { resolve(reader.result) }
                        reader.onerror = (e) => { reject(e) }
                        reader.readAsArrayBuffer(fileName)
                    })
                }

                try {
                    this.submitStatus.firmwareUpload = true
                    this.uploadFw.progress = 0
                    const blob = await readFileAsArrayBuffer(this.uploadFw.filename)

                    const xhr = new XMLHttpRequest();
                    await new Promise((resolve) => {
                        xhr.upload.addEventListener("progress", (event) => {
                            if (event.lengthComputable) {
                                this.uploadFw.progress = Math.round((event.loaded / event.total) * 1000) / 10;
                            }
                        });
                        xhr.addEventListener("loadend", () => {
                            this.uploadFw.progress = 100
                            const rep = JSON.parse(xhr.responseText);
                            this.uploadFw.sha256 = rep['sha256']
                            resolve(xhr.readyState === 4 && xhr.status === 200);
                        });
                        xhr.open("PUT", "/api/firmwareUpdate", true);
                        xhr.setRequestHeader("Content-Type", "application/octet-stream");
                        xhr.send(blob);
                    });
                } catch (e) {
                    alert(`Ошибка загрузки файла: ${e}`);
                }
                this.submitStatus.firmwareUpload = false
            },

            async settingsPerformFirmwareUpgrade() {
                if (this.submitStatus.firmwareUpgrade) { return }
                this.submitStatus.firmwareUpgrade = true
                try {
                    await fetch('/api/doFirmwareUpgrade', { method: 'POST' })
                } catch (e) {
                    console.log("failed to perform upgrade firmware: ", e)
                }
                this.submitStatus.firmwareUpgrade = false
            },

            doModemReboot() {
                if (this.submitStatus.modemReboot !== null) {
                    return
                }
                this.submitStatus.modemReboot = 30
                fetch('/api/reboot', { method: 'POST' }).then((r) => {})
            },