diff --git a/docs/api.md b/docs/api.md
index a28e21e..e0648d0 100644
--- a/docs/api.md
+++ b/docs/api.md
@@ -54,7 +54,7 @@ Returns server version for compatibility checking.
 
 **Example response:**
 ```json
-{"version": "1.9.7"}
+{"version": "1.9.8"}
 ```
 
 ### `GET /api/status`
diff --git a/frontend/index.html b/frontend/index.html
index 49efd97..f694a5b 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -18,7 +18,7 @@
 <div class="max-w-7xl mx-auto px-6 py-2">
 
 	<div class="flex items-center justify-between mb-3">
-		<h1 class="text-2xl font-bold text-heading">OTAMan <span id="slogan" class="text-sm font-normal text-gray-500 dark:text-slate-400 ml-2" data-l10n="SIM OTA with a Human Face">SIM OTA with a Human Face</span> <span class="text-xs text-gray-400 dark:text-slate-500 ml-1">v1.9.7</span></h1>
+		<h1 class="text-2xl font-bold text-heading">OTAMan <span id="slogan" class="text-sm font-normal text-gray-500 dark:text-slate-400 ml-2" data-l10n="SIM OTA with a Human Face">SIM OTA with a Human Face</span> <span class="text-xs text-gray-400 dark:text-slate-500 ml-1">v1.9.8</span></h1>
 		<div class="flex items-center gap-4">
 			<button id="install-btn" class="px-2 py-1 text-xs rounded border border-gray-300 dark:border-slate-600 hover:bg-gray-200 dark:hover:bg-slate-700" style="display:none">INSTALL PWA [for offline use]</button>
 			<a href="https://github.com/anttro/otaman" target="_blank" class="text-xs text-gray-400 hover:text-gray-600 dark:text-slate-500 dark:hover:text-slate-300">github</a>
@@ -4116,6 +4116,13 @@ async function pysimSendOta() {
 					cntrEl.value = ((parseInt(cntrEl.value, 16) || 0) + 1)
 						.toString(16).toUpperCase().padStart(10, '0').slice(-10);
 					document.getElementById('sp-result').value = '';
+					// keep the selected card preset in sync with the new counter (v1.9.8)
+					const selIdx = parseInt(document.getElementById('sp-card-sel').value, 10);
+					if (!isNaN(selIdx) && cards[selIdx]) {
+						cards[selIdx].cntr = cntrEl.value;
+						cardsSave();
+						cardsRender();
+					}
 				}
 			}
 			sendResultEl.textContent = msg;
diff --git a/frontend/sw.js b/frontend/sw.js
index 8c69078..91bae7f 100644
--- a/frontend/sw.js
+++ b/frontend/sw.js
@@ -1,4 +1,4 @@
-const CACHE = 'otaman-v18';
+const CACHE = 'otaman-v19';
 const URLS = [
   'index.html',
   'help.html',
diff --git a/pyproject.toml b/pyproject.toml
index 16e428c..a45e534 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "pysim-otaman-server"
-version = "1.9.7"
+version = "1.9.8"
 description = "HTTP REST server wrapping pysim for the OTAMan PWA"
 requires-python = ">=3.8"
 # pysim is a git-only dependency installed explicitly by setup.bat/setup.sh.
diff --git a/pysim_otaman_server/server.py b/pysim_otaman_server/server.py
index d343beb..c6fa9e9 100644
--- a/pysim_otaman_server/server.py
+++ b/pysim_otaman_server/server.py
@@ -18,7 +18,7 @@ from osmocom.construct import GsmOrUcs2Adapter
 from osmocom.tlv import BER_TLV_IE
 
 
-VERSION = '1.9.7'
+VERSION = '1.9.8'
 
 
 # Static file serving (the PWA lives in <repo>/frontend, served by this server